Post locks: when a dialog is shown move focus to the text, see #23697

git-svn-id: http://core.svn.wordpress.org/trunk@23733 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-alpha-23734.

git-svn-id: http://core.svn.wordpress.org/trunk@23734 1a063a9b-81f0-0310-95a4-ce76da25c4cd