Switch to pwd so the scripts can work more reliably on other OSs

By: md_5 <md_5@live.com.au>

applyPatches.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-basedir=$(dirname $(readlink -f $0))
+basedir=`pwd`
 echo "Rebuilding Forked projects.... "
 
 function applyPatch {

rebuildPatches.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-basedir=$(dirname $(readlink -f $0))
+basedir=`pwd`
 echo "Rebuilding patch files from current fork state..."
 function cleanupPatches {
     cd $1

upstreamMerge.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-basedir=$(dirname $(readlink -f $0))
+basedir=`pwd`
 function update {
     cd $basedir/$1
     git fetch && git reset --hard origin/master