Post Format prompt copy tweaks. props sabreuse. see #19570

git-svn-id: http://core.svn.wordpress.org/trunk@23845 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-alpha-23846.

git-svn-id: http://core.svn.wordpress.org/trunk@23846 1a063a9b-81f0-0310-95a4-ce76da25c4cd