* Adds the code required to include the new media scripts, styles, and settings to `media_button()`.
* Improves script dependencies, namely making `media-upload` require `media-views`.
* Some CSS tweaks for the making the new button work well with QuickPress.
see #21390, fixes#22021.
git-svn-id: http://core.svn.wordpress.org/trunk@22072 1a063a9b-81f0-0310-95a4-ce76da25c4cd