Compress scripts/styles: 3.6-alpha-23860.

git-svn-id: http://core.svn.wordpress.org/trunk@23860 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove duplicate array keys. props kovshenin. see #19570.

git-svn-id: http://core.svn.wordpress.org/trunk@23861 1a063a9b-81f0-0310-95a4-ce76da25c4cd