diff --git a/wp-admin/includes/ajax-actions.php b/wp-admin/includes/ajax-actions.php
index 734409fe1f..82d8abc27f 100644
--- a/wp-admin/includes/ajax-actions.php
+++ b/wp-admin/includes/ajax-actions.php
@@ -241,10 +241,11 @@ function wp_ajax_logged_in() {
  * @return die
  */
 function _wp_ajax_delete_comment_response( $comment_id, $delta = -1 ) {
-	$total = (int) @$_POST['_total'];
-	$per_page = (int) @$_POST['_per_page'];
-	$page = (int) @$_POST['_page'];
-	$url = esc_url_raw( @$_POST['_url'] );
+	$total    = isset( $_POST['_total'] )    ? (int) $_POST['_total']    : 0;
+	$per_page = isset( $_POST['_per_page'] ) ? (int) $_POST['_per_page'] : 0;
+	$page     = isset( $_POST['_page'] )     ? (int) $_POST['_page']     : 0;
+	$url      = isset( $_POST['_url'] )      ? esc_url_raw( $_POST['_url'] ) : '';
+
 	// JS didn't send us everything we need to know. Just die with success message
 	if ( !$total || !$per_page || !$page || !$url )
 		wp_die( time() );
diff --git a/wp-admin/includes/class-wp-filesystem-base.php b/wp-admin/includes/class-wp-filesystem-base.php
index d64fe4bba4..9d7d6e8c19 100644
--- a/wp-admin/includes/class-wp-filesystem-base.php
+++ b/wp-admin/includes/class-wp-filesystem-base.php
@@ -192,8 +192,12 @@ class WP_Filesystem_Base {
 
 		$folder = untrailingslashit($folder);
 
+		if ( $this->verbose )
+			printf( "\n" . __('Looking for %1$s in %2$s') . "<br/>\n", $folder, $base );
+
 		$folder_parts = explode('/', $folder);
-		$last_index = array_pop( array_keys( $folder_parts ) );
+		$folder_part_keys = array_keys( $folder_parts );
+		$last_index = array_pop( $folder_part_keys );
 		$last_path = $folder_parts[ $last_index ];
 
 		$files = $this->dirlist( $base );
@@ -210,7 +214,7 @@ class WP_Filesystem_Base {
 				//Lets try that folder:
 				$newdir = trailingslashit(path_join($base, $key));
 				if ( $this->verbose )
-					printf( __('Changing to %s') . '<br/>', $newdir );
+					printf( "\n" . __('Changing to %s') . "<br/>\n", $newdir );
 				// only search for the remaining path tokens in the directory, not the full path again
 				$newfolder = implode( '/', array_slice( $folder_parts, $index + 1 ) );
 				if ( $ret = $this->search_for_folder( $newfolder, $newdir, $loop) )
@@ -221,13 +225,18 @@ class WP_Filesystem_Base {
 		//Only check this as a last resort, to prevent locating the incorrect install. All above procedures will fail quickly if this is the right branch to take.
 		if (isset( $files[ $last_path ] ) ) {
 			if ( $this->verbose )
-				printf( __('Found %s') . '<br/>',  $base . $last_path );
+				printf( "\n" . __('Found %s') . "<br/>\n",  $base . $last_path );
 			return trailingslashit($base . $last_path);
 		}
-		if ( $loop )
-			return false; //Prevent this function from looping again.
-		//As an extra last resort, Change back to / if the folder wasn't found. This comes into effect when the CWD is /home/user/ but WP is at /var/www/.... mainly dedicated setups.
-		return $this->search_for_folder($folder, '/', true);
+
+		// Prevent this function from looping again.
+		// No need to proceed if we've just searched in /
+		if ( $loop || '/' == $base )
+			return false;
+
+		// As an extra last resort, Change back to / if the folder wasn't found.
+		// This comes into effect when the CWD is /home/user/ but WP is at /var/www/....
+		return $this->search_for_folder( $folder, '/', true );
 
 	}
 
diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 4b6417f861..c37dc0b1c4 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -2077,17 +2077,18 @@ $arc_query = "SELECT DISTINCT YEAR(post_date) AS yyear, MONTH(post_date) AS mmon
 $arc_result = $wpdb->get_results( $arc_query );
 
 $month_count = count($arc_result);
+$selected_month = isset( $_GET['m'] ) ? $_GET['m'] : 0;
 
 if ( $month_count && !( 1 == $month_count && 0 == $arc_result[0]->mmonth ) ) { ?>
 <select name='m'>
-<option<?php selected( @$_GET['m'], 0 ); ?> value='0'><?php _e('Show all dates'); ?></option>
+<option<?php selected( $selected_month, 0 ); ?> value='0'><?php _e('Show all dates'); ?></option>
 <?php
 foreach ($arc_result as $arc_row) {
 	if ( $arc_row->yyear == 0 )
 		continue;
 	$arc_row->mmonth = zeroise( $arc_row->mmonth, 2 );
 
-	if ( isset($_GET['m']) && ( $arc_row->yyear . $arc_row->mmonth == $_GET['m'] ) )
+	if ( $arc_row->yyear . $arc_row->mmonth == $selected_month )
 		$default = ' selected="selected"';
 	else
 		$default = '';
diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index aecc433ce1..d78e7f2841 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -996,9 +996,9 @@ function postbox_classes( $id, $page ) {
  * @return array With two entries of type string
  */
 function get_sample_permalink($id, $title = null, $name = null) {
-	$post = get_post($id);
-	if ( !$post->ID )
-		return array('', '');
+	$post = get_post( $id );
+	if ( ! $post )
+		return array( '', '' );
 
 	$ptype = get_post_type_object($post->post_type);
 
@@ -1058,8 +1058,9 @@ function get_sample_permalink($id, $title = null, $name = null) {
  * @return string The HTML of the sample permalink slug editor.
  */
 function get_sample_permalink_html( $id, $new_title = null, $new_slug = null ) {
-	global $wpdb;
-	$post = get_post($id);
+	$post = get_post( $id );
+	if ( ! $post )
+		return '';
 
 	list($permalink, $post_name) = get_sample_permalink($post->ID, $new_title, $new_slug);
 
diff --git a/wp-admin/js/customize-controls.js b/wp-admin/js/customize-controls.js
index 01fffbac17..29d66449c2 100644
--- a/wp-admin/js/customize-controls.js
+++ b/wp-admin/js/customize-controls.js
@@ -862,7 +862,7 @@
 			if ( 9 === event.which ) // tab
 				return;
 			if ( 13 === event.which ) // enter
-				parent.send( 'close' );
+				this.click();
 			event.preventDefault();
 		});
 
diff --git a/wp-admin/js/customize-controls.min.js b/wp-admin/js/customize-controls.min.js
index a7d2b1d99f..6004d83474 100644
--- a/wp-admin/js/customize-controls.min.js
+++ b/wp-admin/js/customize-controls.min.js
@@ -1 +1 @@
-!function(a,b){var c=wp.customize;c.Setting=c.Value.extend({initialize:function(a,b,d){c.Value.prototype.initialize.call(this,b,d),this.id=a,this.transport=this.transport||"refresh",this.bind(this.preview)},preview:function(){switch(this.transport){case"refresh":return this.previewer.refresh();case"postMessage":return this.previewer.send("setting",[this.id,this()])}}}),c.Control=c.Class.extend({initialize:function(a,d){var e,f,g,h=this;this.params={},b.extend(this,d||{}),this.id=a,this.selector="#customize-control-"+a.replace("]","").replace("[","-"),this.container=b(this.selector),g=b.map(this.params.settings,function(a){return a}),c.apply(c,g.concat(function(){var a;h.settings={};for(a in h.params.settings)h.settings[a]=c(h.params.settings[a]);h.setting=h.settings["default"]||null,h.ready()})),h.elements=[],e=this.container.find("[data-customize-setting-link]"),f={},e.each(function(){var a,d=b(this);if(d.is(":radio")){if(a=d.prop("name"),f[a])return;f[a]=!0,d=e.filter('[name="'+a+'"]')}c(d.data("customizeSettingLink"),function(a){var b=new c.Element(d);h.elements.push(b),b.sync(a),b.set(a())})})},ready:function(){},dropdownInit:function(){var a=this,b=this.container.find(".dropdown-status"),c=this.params,d=function(a){"string"==typeof a&&c.statuses&&c.statuses[a]?b.html(c.statuses[a]).show():b.hide()},e=!1;this.container.on("click keydown",".dropdown",function(b){("keydown"!==b.type||13===b.which)&&(b.preventDefault(),e||a.container.toggleClass("open"),a.container.hasClass("open")&&a.container.parent().parent().find("li.library-selected").focus(),e=!0,setTimeout(function(){e=!1},400))}),this.setting.bind(d),d(this.setting())}}),c.ColorControl=c.Control.extend({ready:function(){var a=this,b=this.container.find(".color-picker-hex");b.val(a.setting()).wpColorPicker({change:function(){a.setting.set(b.wpColorPicker("color"))},clear:function(){a.setting.set(!1)}})}}),c.UploadControl=c.Control.extend({ready:function(){var a=this;this.params.removed=this.params.removed||"",this.success=b.proxy(this.success,this),this.uploader=b.extend({container:this.container,browser:this.container.find(".upload"),dropzone:this.container.find(".upload-dropzone"),success:this.success,plupload:{},params:{}},this.uploader||{}),a.params.extensions&&(a.uploader.plupload.filters=[{title:c.l10n.allowedFiles,extensions:a.params.extensions}]),a.params.context&&(a.uploader.params["post_data[context]"]=this.params.context),c.settings.theme.stylesheet&&(a.uploader.params["post_data[theme]"]=c.settings.theme.stylesheet),this.uploader=new wp.Uploader(this.uploader),this.remover=this.container.find(".remove"),this.remover.on("click keydown",function(b){("keydown"!==b.type||13===b.which)&&(a.setting.set(a.params.removed),b.preventDefault())}),this.removerVisibility=b.proxy(this.removerVisibility,this),this.setting.bind(this.removerVisibility),this.removerVisibility(this.setting.get())},success:function(a){this.setting.set(a.get("url"))},removerVisibility:function(a){this.remover.toggle(a!=this.params.removed)}}),c.ImageControl=c.UploadControl.extend({ready:function(){var a,d=this;this.uploader={init:function(){var a,b;this.supports.dragdrop||(a=d.container.find(".upload-fallback"),b=a.children().detach(),this.browser.detach().empty().append(b),a.append(this.browser).show())}},c.UploadControl.prototype.ready.call(this),this.thumbnail=this.container.find(".preview-thumbnail img"),this.thumbnailSrc=b.proxy(this.thumbnailSrc,this),this.setting.bind(this.thumbnailSrc),this.library=this.container.find(".library"),this.tabs={},a=this.library.find(".library-content"),this.library.children("ul").children("li").each(function(){var c=b(this),e=c.data("customizeTab"),f=a.filter('[data-customize-tab="'+e+'"]');d.tabs[e]={both:c.add(f),link:c,panel:f}}),this.library.children("ul").on("click keydown","li",function(a){if("keydown"!==a.type||13===a.which){var c=b(this).data("customizeTab"),e=d.tabs[c];a.preventDefault(),e.link.hasClass("library-selected")||(d.selected.both.removeClass("library-selected"),d.selected=e,d.selected.both.addClass("library-selected"))}}),this.library.on("click keydown","a",function(a){if("keydown"!==a.type||13===a.which){var c=b(this).data("customizeImageValue");c&&(d.setting.set(c),a.preventDefault())}}),this.tabs.uploaded&&(this.tabs.uploaded.target=this.library.find(".uploaded-target"),this.tabs.uploaded.panel.find(".thumbnail").length||this.tabs.uploaded.both.addClass("hidden")),a.each(function(){var a=d.tabs[b(this).data("customizeTab")];return a.link.hasClass("hidden")?void 0:(d.selected=a,a.both.addClass("library-selected"),!1)}),this.dropdownInit()},success:function(a){c.UploadControl.prototype.success.call(this,a),this.tabs.uploaded&&this.tabs.uploaded.target.length&&(this.tabs.uploaded.both.removeClass("hidden"),a.element=b('<a href="#" class="thumbnail"></a>').data("customizeImageValue",a.get("url")).append('<img src="'+a.get("url")+'" />').appendTo(this.tabs.uploaded.target))},thumbnailSrc:function(a){/^(https?:)?\/\//.test(a)?this.thumbnail.prop("src",a).show():this.thumbnail.hide()}}),c.defaultConstructor=c.Setting,c.control=new c.Values({defaultConstructor:c.Control}),c.PreviewFrame=c.Messenger.extend({sensitivity:2e3,initialize:function(a,d){var e=b.Deferred();e.promise(this),this.container=a.container,this.signature=a.signature,b.extend(a,{channel:c.PreviewFrame.uuid()}),c.Messenger.prototype.initialize.call(this,a,d),this.add("previewUrl",a.previewUrl),this.query=b.extend(a.query||{},{customize_messenger_channel:this.channel()}),this.run(e)},run:function(a){var c=this,d=!1,e=!1;this._ready&&this.unbind("ready",this._ready),this._ready=function(){e=!0,d&&a.resolveWith(c)},this.bind("ready",this._ready),this.request=b.ajax(this.previewUrl(),{type:"POST",data:this.query,xhrFields:{withCredentials:!0}}),this.request.fail(function(){a.rejectWith(c,["request failure"])}),this.request.done(function(f){var g,h=c.request.getResponseHeader("Location"),i=c.signature;return h&&h!=c.previewUrl()?(a.rejectWith(c,["redirect",h]),void 0):"0"===f?(c.login(a),void 0):"-1"===f?(a.rejectWith(c,["cheatin"]),void 0):(g=f.lastIndexOf(i),-1===g||g<f.lastIndexOf("</html>")?(a.rejectWith(c,["unsigned"]),void 0):(f=f.slice(0,g)+f.slice(g+i.length),c.iframe=b("<iframe />").appendTo(c.container),c.iframe.one("load",function(){d=!0,e?a.resolveWith(c):setTimeout(function(){a.rejectWith(c,["ready timeout"])},c.sensitivity)}),c.targetWindow(c.iframe[0].contentWindow),c.targetWindow().document.open(),c.targetWindow().document.write(f),c.targetWindow().document.close(),void 0))})},login:function(a){var d,e=this;return d=function(){a.rejectWith(e,["logged out"])},this.triedLogin?d():(b.get(c.settings.url.ajax,{action:"logged-in"}).fail(d).done(function(c){var f;"1"!==c&&d(),f=b('<iframe src="'+e.previewUrl()+'" />').hide(),f.appendTo(e.container),f.load(function(){e.triedLogin=!0,f.remove(),e.run(a)})}),void 0)},destroy:function(){c.Messenger.prototype.destroy.call(this),this.request.abort(),this.iframe&&this.iframe.remove(),delete this.request,delete this.iframe,delete this.targetWindow}}),function(){var a=0;c.PreviewFrame.uuid=function(){return"preview-"+a++}}(),c.Previewer=c.Messenger.extend({refreshBuffer:250,initialize:function(a,d){var e=this,f=/^https?/;b.extend(this,d||{}),this.refresh=function(a){var b,c=a.refresh,d=function(){b=null,c.call(a)};return function(){if("number"!=typeof b){if(!a.loading)return d();a.abort()}clearTimeout(b),b=setTimeout(d,a.refreshBuffer)}}(this),this.container=c.ensure(a.container),this.allowedUrls=a.allowedUrls,this.signature=a.signature,a.url=window.location.href,c.Messenger.prototype.initialize.call(this,a),this.add("scheme",this.origin()).link(this.origin).setter(function(a){var b=a.match(f);return b?b[0]:""}),this.add("previewUrl",a.previewUrl).setter(function(a){var c;return/\/wp-admin(\/|$)/.test(a.replace(/[#?].*$/,""))?null:(b.each([a.replace(f,e.scheme()),a],function(a,d){return b.each(e.allowedUrls,function(a,b){return 0===d.indexOf(b)?(c=d,!1):void 0}),c?!1:void 0}),c?c:null)}),this.previewUrl.bind(this.refresh),this.scroll=0,this.bind("scroll",function(a){this.scroll=a}),this.bind("url",this.previewUrl)},query:function(){},abort:function(){this.loading&&(this.loading.destroy(),delete this.loading)},refresh:function(){var a=this;this.abort(),this.loading=new c.PreviewFrame({url:this.url(),previewUrl:this.previewUrl(),query:this.query()||{},container:this.container,signature:this.signature}),this.loading.done(function(){this.bind("synced",function(){a.preview&&a.preview.destroy(),a.preview=this,delete a.loading,a.targetWindow(this.targetWindow()),a.channel(this.channel()),a.send("active")}),this.send("sync",{scroll:a.scroll,settings:c.get()})}),this.loading.fail(function(b,c){"redirect"===b&&c&&a.previewUrl(c),"logged out"===b&&(a.preview&&(a.preview.destroy(),delete a.preview),a.login().done(a.refresh)),"cheatin"===b&&a.cheatin()})},login:function(){var a,d,e,f=this;return this._login?this._login:(a=b.Deferred(),this._login=a.promise(),d=new c.Messenger({channel:"login",url:c.settings.url.login}),e=b('<iframe src="'+c.settings.url.login+'" />').appendTo(this.container),d.targetWindow(e[0].contentWindow),d.bind("login",function(){e.remove(),d.destroy(),delete f._login,a.resolve()}),this._login)},cheatin:function(){b(document.body).empty().addClass("cheatin").append("<p>"+c.l10n.cheatin+"</p>")}}),c.controlConstructor={color:c.ColorControl,upload:c.UploadControl,image:c.ImageControl},b(function(){if(c.settings=window._wpCustomizeSettings,c.l10n=window._wpCustomizeControlsL10n,c.settings){if(!b.support.postMessage||!b.support.cors&&c.settings.isCrossDomain)return window.location=c.settings.url.fallback;var a,d,e=b(document.body),f=e.children(".wp-full-overlay");b("#customize-controls").on("keydown",function(a){b(a.target).is("textarea")||13===a.which&&a.preventDefault()}),a=new c.Previewer({container:"#customize-preview",form:"#customize-controls",previewUrl:c.settings.url.preview,allowedUrls:c.settings.url.allowed,signature:"WP_CUSTOMIZER_SIGNATURE"},{nonce:c.settings.nonce,query:function(){return{wp_customize:"on",theme:c.settings.theme.stylesheet,customized:JSON.stringify(c.get()),nonce:this.nonce.preview}},save:function(){var a=this,d=b.extend(this.query(),{action:"customize_save",nonce:this.nonce.save}),f=b.post(c.settings.url.ajax,d);c.trigger("save",f),e.addClass("saving"),f.always(function(){e.removeClass("saving")}),f.done(function(b){return"0"===b?(a.preview.iframe.hide(),a.login().done(function(){a.save(),a.preview.iframe.show()}),void 0):"-1"===b?(a.cheatin(),void 0):(c.trigger("saved"),void 0)})}}),a.bind("nonce",function(a){b.extend(this.nonce,a)}),b.each(c.settings.settings,function(b,d){c.create(b,b,d.value,{transport:d.transport,previewer:a})}),b.each(c.settings.controls,function(b,d){var e,f=c.controlConstructor[d.type]||c.Control;e=c.control.add(b,new f(b,{params:d,previewer:a}))}),a.previewUrl()?a.refresh():a.previewUrl(c.settings.url.home),function(){var a=new c.Values,d=a.create("saved"),e=a.create("activated");a.bind("change",function(){var a=b("#save"),f=b(".back");e()?d()?(a.val(c.l10n.saved).prop("disabled",!0),f.text(c.l10n.close)):(a.val(c.l10n.save).prop("disabled",!1),f.text(c.l10n.cancel)):(a.val(c.l10n.activate).prop("disabled",!1),f.text(c.l10n.cancel))}),d(!0),e(c.settings.theme.active),c.bind("change",function(){a("saved").set(!1)}),c.bind("saved",function(){a("saved").set(!0),a("activated").set(!0)}),e.bind(function(a){a&&c.trigger("activated")}),c.state=a}(),b("#save").click(function(b){a.save(),b.preventDefault()}).keydown(function(b){9!==b.which&&(13===b.which&&a.save(),b.preventDefault())}),b(".back").keydown(function(a){9!==a.which&&(13===a.which&&d.send("close"),a.preventDefault())}),b(".upload-dropzone a.upload").keydown(function(a){13===a.which&&this.click()}),b(".collapse-sidebar").on("click keydown",function(a){("keydown"!==a.type||13===a.which)&&(f.toggleClass("collapsed").toggleClass("expanded"),a.preventDefault())}),d=new c.Messenger({url:c.settings.url.parent,channel:"loader"}),d.bind("back",function(){b(".back").on("click.back",function(a){a.preventDefault(),d.send("close")})}),c.bind("saved",function(){d.send("saved")}),c.bind("activated",function(){d.targetWindow()?d.send("activated",c.settings.url.activated):c.settings.url.activated&&(window.location=c.settings.url.activated)}),d.send("ready"),b.each({background_image:{controls:["background_repeat","background_position_x","background_attachment"],callback:function(a){return!!a}},show_on_front:{controls:["page_on_front","page_for_posts"],callback:function(a){return"page"===a}},header_textcolor:{controls:["header_textcolor"],callback:function(a){return"blank"!==a}}},function(a,d){c(a,function(a){b.each(d.controls,function(b,e){c.control(e,function(b){var c=function(a){b.container.toggle(d.callback(a))};c(a.get()),a.bind(c)})})})}),c.control("display_header_text",function(a){var b="";a.elements[0].unsync(c("header_textcolor")),a.element=new c.Element(a.container.find("input")),a.element.set("blank"!==a.setting()),a.element.bind(function(d){d||(b=c("header_textcolor").get()),a.setting.set(d?b:"blank")}),a.setting.bind(function(b){a.element.set("blank"!==b)})}),c.control("header_image",function(a){a.setting.bind(function(b){b===a.params.removed&&a.settings.data.set(!1)}),a.library.on("click","a",function(){a.settings.data.set(b(this).data("customizeHeaderImageData"))}),a.uploader.success=function(b){var d;c.ImageControl.prototype.success.call(a,b),d={attachment_id:b.get("id"),url:b.get("url"),thumbnail_url:b.get("url"),height:b.get("height"),width:b.get("width")},b.element.data("customizeHeaderImageData",d),a.settings.data.set(d)}}),c.trigger("ready");var g=b(".back");g.focus(),setTimeout(function(){g.focus()},200)}})}(wp,jQuery);
\ No newline at end of file
+!function(a,b){var c=wp.customize;c.Setting=c.Value.extend({initialize:function(a,b,d){c.Value.prototype.initialize.call(this,b,d),this.id=a,this.transport=this.transport||"refresh",this.bind(this.preview)},preview:function(){switch(this.transport){case"refresh":return this.previewer.refresh();case"postMessage":return this.previewer.send("setting",[this.id,this()])}}}),c.Control=c.Class.extend({initialize:function(a,d){var e,f,g,h=this;this.params={},b.extend(this,d||{}),this.id=a,this.selector="#customize-control-"+a.replace("]","").replace("[","-"),this.container=b(this.selector),g=b.map(this.params.settings,function(a){return a}),c.apply(c,g.concat(function(){var a;h.settings={};for(a in h.params.settings)h.settings[a]=c(h.params.settings[a]);h.setting=h.settings["default"]||null,h.ready()})),h.elements=[],e=this.container.find("[data-customize-setting-link]"),f={},e.each(function(){var a,d=b(this);if(d.is(":radio")){if(a=d.prop("name"),f[a])return;f[a]=!0,d=e.filter('[name="'+a+'"]')}c(d.data("customizeSettingLink"),function(a){var b=new c.Element(d);h.elements.push(b),b.sync(a),b.set(a())})})},ready:function(){},dropdownInit:function(){var a=this,b=this.container.find(".dropdown-status"),c=this.params,d=function(a){"string"==typeof a&&c.statuses&&c.statuses[a]?b.html(c.statuses[a]).show():b.hide()},e=!1;this.container.on("click keydown",".dropdown",function(b){("keydown"!==b.type||13===b.which)&&(b.preventDefault(),e||a.container.toggleClass("open"),a.container.hasClass("open")&&a.container.parent().parent().find("li.library-selected").focus(),e=!0,setTimeout(function(){e=!1},400))}),this.setting.bind(d),d(this.setting())}}),c.ColorControl=c.Control.extend({ready:function(){var a=this,b=this.container.find(".color-picker-hex");b.val(a.setting()).wpColorPicker({change:function(){a.setting.set(b.wpColorPicker("color"))},clear:function(){a.setting.set(!1)}})}}),c.UploadControl=c.Control.extend({ready:function(){var a=this;this.params.removed=this.params.removed||"",this.success=b.proxy(this.success,this),this.uploader=b.extend({container:this.container,browser:this.container.find(".upload"),dropzone:this.container.find(".upload-dropzone"),success:this.success,plupload:{},params:{}},this.uploader||{}),a.params.extensions&&(a.uploader.plupload.filters=[{title:c.l10n.allowedFiles,extensions:a.params.extensions}]),a.params.context&&(a.uploader.params["post_data[context]"]=this.params.context),c.settings.theme.stylesheet&&(a.uploader.params["post_data[theme]"]=c.settings.theme.stylesheet),this.uploader=new wp.Uploader(this.uploader),this.remover=this.container.find(".remove"),this.remover.on("click keydown",function(b){("keydown"!==b.type||13===b.which)&&(a.setting.set(a.params.removed),b.preventDefault())}),this.removerVisibility=b.proxy(this.removerVisibility,this),this.setting.bind(this.removerVisibility),this.removerVisibility(this.setting.get())},success:function(a){this.setting.set(a.get("url"))},removerVisibility:function(a){this.remover.toggle(a!=this.params.removed)}}),c.ImageControl=c.UploadControl.extend({ready:function(){var a,d=this;this.uploader={init:function(){var a,b;this.supports.dragdrop||(a=d.container.find(".upload-fallback"),b=a.children().detach(),this.browser.detach().empty().append(b),a.append(this.browser).show())}},c.UploadControl.prototype.ready.call(this),this.thumbnail=this.container.find(".preview-thumbnail img"),this.thumbnailSrc=b.proxy(this.thumbnailSrc,this),this.setting.bind(this.thumbnailSrc),this.library=this.container.find(".library"),this.tabs={},a=this.library.find(".library-content"),this.library.children("ul").children("li").each(function(){var c=b(this),e=c.data("customizeTab"),f=a.filter('[data-customize-tab="'+e+'"]');d.tabs[e]={both:c.add(f),link:c,panel:f}}),this.library.children("ul").on("click keydown","li",function(a){if("keydown"!==a.type||13===a.which){var c=b(this).data("customizeTab"),e=d.tabs[c];a.preventDefault(),e.link.hasClass("library-selected")||(d.selected.both.removeClass("library-selected"),d.selected=e,d.selected.both.addClass("library-selected"))}}),this.library.on("click keydown","a",function(a){if("keydown"!==a.type||13===a.which){var c=b(this).data("customizeImageValue");c&&(d.setting.set(c),a.preventDefault())}}),this.tabs.uploaded&&(this.tabs.uploaded.target=this.library.find(".uploaded-target"),this.tabs.uploaded.panel.find(".thumbnail").length||this.tabs.uploaded.both.addClass("hidden")),a.each(function(){var a=d.tabs[b(this).data("customizeTab")];return a.link.hasClass("hidden")?void 0:(d.selected=a,a.both.addClass("library-selected"),!1)}),this.dropdownInit()},success:function(a){c.UploadControl.prototype.success.call(this,a),this.tabs.uploaded&&this.tabs.uploaded.target.length&&(this.tabs.uploaded.both.removeClass("hidden"),a.element=b('<a href="#" class="thumbnail"></a>').data("customizeImageValue",a.get("url")).append('<img src="'+a.get("url")+'" />').appendTo(this.tabs.uploaded.target))},thumbnailSrc:function(a){/^(https?:)?\/\//.test(a)?this.thumbnail.prop("src",a).show():this.thumbnail.hide()}}),c.defaultConstructor=c.Setting,c.control=new c.Values({defaultConstructor:c.Control}),c.PreviewFrame=c.Messenger.extend({sensitivity:2e3,initialize:function(a,d){var e=b.Deferred();e.promise(this),this.container=a.container,this.signature=a.signature,b.extend(a,{channel:c.PreviewFrame.uuid()}),c.Messenger.prototype.initialize.call(this,a,d),this.add("previewUrl",a.previewUrl),this.query=b.extend(a.query||{},{customize_messenger_channel:this.channel()}),this.run(e)},run:function(a){var c=this,d=!1,e=!1;this._ready&&this.unbind("ready",this._ready),this._ready=function(){e=!0,d&&a.resolveWith(c)},this.bind("ready",this._ready),this.request=b.ajax(this.previewUrl(),{type:"POST",data:this.query,xhrFields:{withCredentials:!0}}),this.request.fail(function(){a.rejectWith(c,["request failure"])}),this.request.done(function(f){var g,h=c.request.getResponseHeader("Location"),i=c.signature;return h&&h!=c.previewUrl()?(a.rejectWith(c,["redirect",h]),void 0):"0"===f?(c.login(a),void 0):"-1"===f?(a.rejectWith(c,["cheatin"]),void 0):(g=f.lastIndexOf(i),-1===g||g<f.lastIndexOf("</html>")?(a.rejectWith(c,["unsigned"]),void 0):(f=f.slice(0,g)+f.slice(g+i.length),c.iframe=b("<iframe />").appendTo(c.container),c.iframe.one("load",function(){d=!0,e?a.resolveWith(c):setTimeout(function(){a.rejectWith(c,["ready timeout"])},c.sensitivity)}),c.targetWindow(c.iframe[0].contentWindow),c.targetWindow().document.open(),c.targetWindow().document.write(f),c.targetWindow().document.close(),void 0))})},login:function(a){var d,e=this;return d=function(){a.rejectWith(e,["logged out"])},this.triedLogin?d():(b.get(c.settings.url.ajax,{action:"logged-in"}).fail(d).done(function(c){var f;"1"!==c&&d(),f=b('<iframe src="'+e.previewUrl()+'" />').hide(),f.appendTo(e.container),f.load(function(){e.triedLogin=!0,f.remove(),e.run(a)})}),void 0)},destroy:function(){c.Messenger.prototype.destroy.call(this),this.request.abort(),this.iframe&&this.iframe.remove(),delete this.request,delete this.iframe,delete this.targetWindow}}),function(){var a=0;c.PreviewFrame.uuid=function(){return"preview-"+a++}}(),c.Previewer=c.Messenger.extend({refreshBuffer:250,initialize:function(a,d){var e=this,f=/^https?/;b.extend(this,d||{}),this.refresh=function(a){var b,c=a.refresh,d=function(){b=null,c.call(a)};return function(){if("number"!=typeof b){if(!a.loading)return d();a.abort()}clearTimeout(b),b=setTimeout(d,a.refreshBuffer)}}(this),this.container=c.ensure(a.container),this.allowedUrls=a.allowedUrls,this.signature=a.signature,a.url=window.location.href,c.Messenger.prototype.initialize.call(this,a),this.add("scheme",this.origin()).link(this.origin).setter(function(a){var b=a.match(f);return b?b[0]:""}),this.add("previewUrl",a.previewUrl).setter(function(a){var c;return/\/wp-admin(\/|$)/.test(a.replace(/[#?].*$/,""))?null:(b.each([a.replace(f,e.scheme()),a],function(a,d){return b.each(e.allowedUrls,function(a,b){return 0===d.indexOf(b)?(c=d,!1):void 0}),c?!1:void 0}),c?c:null)}),this.previewUrl.bind(this.refresh),this.scroll=0,this.bind("scroll",function(a){this.scroll=a}),this.bind("url",this.previewUrl)},query:function(){},abort:function(){this.loading&&(this.loading.destroy(),delete this.loading)},refresh:function(){var a=this;this.abort(),this.loading=new c.PreviewFrame({url:this.url(),previewUrl:this.previewUrl(),query:this.query()||{},container:this.container,signature:this.signature}),this.loading.done(function(){this.bind("synced",function(){a.preview&&a.preview.destroy(),a.preview=this,delete a.loading,a.targetWindow(this.targetWindow()),a.channel(this.channel()),a.send("active")}),this.send("sync",{scroll:a.scroll,settings:c.get()})}),this.loading.fail(function(b,c){"redirect"===b&&c&&a.previewUrl(c),"logged out"===b&&(a.preview&&(a.preview.destroy(),delete a.preview),a.login().done(a.refresh)),"cheatin"===b&&a.cheatin()})},login:function(){var a,d,e,f=this;return this._login?this._login:(a=b.Deferred(),this._login=a.promise(),d=new c.Messenger({channel:"login",url:c.settings.url.login}),e=b('<iframe src="'+c.settings.url.login+'" />').appendTo(this.container),d.targetWindow(e[0].contentWindow),d.bind("login",function(){e.remove(),d.destroy(),delete f._login,a.resolve()}),this._login)},cheatin:function(){b(document.body).empty().addClass("cheatin").append("<p>"+c.l10n.cheatin+"</p>")}}),c.controlConstructor={color:c.ColorControl,upload:c.UploadControl,image:c.ImageControl},b(function(){if(c.settings=window._wpCustomizeSettings,c.l10n=window._wpCustomizeControlsL10n,c.settings){if(!b.support.postMessage||!b.support.cors&&c.settings.isCrossDomain)return window.location=c.settings.url.fallback;var a,d,e=b(document.body),f=e.children(".wp-full-overlay");b("#customize-controls").on("keydown",function(a){b(a.target).is("textarea")||13===a.which&&a.preventDefault()}),a=new c.Previewer({container:"#customize-preview",form:"#customize-controls",previewUrl:c.settings.url.preview,allowedUrls:c.settings.url.allowed,signature:"WP_CUSTOMIZER_SIGNATURE"},{nonce:c.settings.nonce,query:function(){return{wp_customize:"on",theme:c.settings.theme.stylesheet,customized:JSON.stringify(c.get()),nonce:this.nonce.preview}},save:function(){var a=this,d=b.extend(this.query(),{action:"customize_save",nonce:this.nonce.save}),f=b.post(c.settings.url.ajax,d);c.trigger("save",f),e.addClass("saving"),f.always(function(){e.removeClass("saving")}),f.done(function(b){return"0"===b?(a.preview.iframe.hide(),a.login().done(function(){a.save(),a.preview.iframe.show()}),void 0):"-1"===b?(a.cheatin(),void 0):(c.trigger("saved"),void 0)})}}),a.bind("nonce",function(a){b.extend(this.nonce,a)}),b.each(c.settings.settings,function(b,d){c.create(b,b,d.value,{transport:d.transport,previewer:a})}),b.each(c.settings.controls,function(b,d){var e,f=c.controlConstructor[d.type]||c.Control;e=c.control.add(b,new f(b,{params:d,previewer:a}))}),a.previewUrl()?a.refresh():a.previewUrl(c.settings.url.home),function(){var a=new c.Values,d=a.create("saved"),e=a.create("activated");a.bind("change",function(){var a=b("#save"),f=b(".back");e()?d()?(a.val(c.l10n.saved).prop("disabled",!0),f.text(c.l10n.close)):(a.val(c.l10n.save).prop("disabled",!1),f.text(c.l10n.cancel)):(a.val(c.l10n.activate).prop("disabled",!1),f.text(c.l10n.cancel))}),d(!0),e(c.settings.theme.active),c.bind("change",function(){a("saved").set(!1)}),c.bind("saved",function(){a("saved").set(!0),a("activated").set(!0)}),e.bind(function(a){a&&c.trigger("activated")}),c.state=a}(),b("#save").click(function(b){a.save(),b.preventDefault()}).keydown(function(b){9!==b.which&&(13===b.which&&a.save(),b.preventDefault())}),b(".back").keydown(function(a){9!==a.which&&(13===a.which&&this.click(),a.preventDefault())}),b(".upload-dropzone a.upload").keydown(function(a){13===a.which&&this.click()}),b(".collapse-sidebar").on("click keydown",function(a){("keydown"!==a.type||13===a.which)&&(f.toggleClass("collapsed").toggleClass("expanded"),a.preventDefault())}),d=new c.Messenger({url:c.settings.url.parent,channel:"loader"}),d.bind("back",function(){b(".back").on("click.back",function(a){a.preventDefault(),d.send("close")})}),c.bind("saved",function(){d.send("saved")}),c.bind("activated",function(){d.targetWindow()?d.send("activated",c.settings.url.activated):c.settings.url.activated&&(window.location=c.settings.url.activated)}),d.send("ready"),b.each({background_image:{controls:["background_repeat","background_position_x","background_attachment"],callback:function(a){return!!a}},show_on_front:{controls:["page_on_front","page_for_posts"],callback:function(a){return"page"===a}},header_textcolor:{controls:["header_textcolor"],callback:function(a){return"blank"!==a}}},function(a,d){c(a,function(a){b.each(d.controls,function(b,e){c.control(e,function(b){var c=function(a){b.container.toggle(d.callback(a))};c(a.get()),a.bind(c)})})})}),c.control("display_header_text",function(a){var b="";a.elements[0].unsync(c("header_textcolor")),a.element=new c.Element(a.container.find("input")),a.element.set("blank"!==a.setting()),a.element.bind(function(d){d||(b=c("header_textcolor").get()),a.setting.set(d?b:"blank")}),a.setting.bind(function(b){a.element.set("blank"!==b)})}),c.control("header_image",function(a){a.setting.bind(function(b){b===a.params.removed&&a.settings.data.set(!1)}),a.library.on("click","a",function(){a.settings.data.set(b(this).data("customizeHeaderImageData"))}),a.uploader.success=function(b){var d;c.ImageControl.prototype.success.call(a,b),d={attachment_id:b.get("id"),url:b.get("url"),thumbnail_url:b.get("url"),height:b.get("height"),width:b.get("width")},b.element.data("customizeHeaderImageData",d),a.settings.data.set(d)}}),c.trigger("ready");var g=b(".back");g.focus(),setTimeout(function(){g.focus()},200)}})}(wp,jQuery);
\ No newline at end of file
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index facb36edd8..793957fb9f 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -875,7 +875,7 @@ function wp_list_pages($args = '') {
  *
  * <ul>
  * <li><strong>sort_column</strong> - How to sort the list of pages. Defaults
- * to page title. Use column for posts table.</li>
+ * to 'menu_order, post_title'. Use column for posts table.</li>
  * <li><strong>menu_class</strong> - Class to use for the div ID which contains
  * the page list. Defaults to 'menu'.</li>
  * <li><strong>echo</strong> - Whether to echo list or return it. Defaults to
diff --git a/wp-includes/theme.php b/wp-includes/theme.php
index 68863a382a..49049dbdbd 100644
--- a/wp-includes/theme.php
+++ b/wp-includes/theme.php
@@ -647,7 +647,10 @@ function preview_theme_ob_filter_callback( $matches ) {
 	)
 		return $matches[1] . "#$matches[2] onclick=$matches[2]return false;" . $matches[4];
 
-	$link = add_query_arg( array( 'preview' => 1, 'template' => $_GET['template'], 'stylesheet' => @$_GET['stylesheet'], 'preview_iframe' => 1 ), $matches[3] );
+	$stylesheet = isset( $_GET['stylesheet'] ) ? $_GET['stylesheet'] : '';
+	$template   = isset( $_GET['template'] )   ? $_GET['template']   : '';
+
+	$link = add_query_arg( array( 'preview' => 1, 'template' => $template, 'stylesheet' => $stylesheet, 'preview_iframe' => 1 ), $matches[3] );
 	if ( 0 === strpos($link, 'preview=1') )
 		$link = "?$link";
 	return $matches[1] . esc_attr( $link ) . $matches[4];