Don't use jQuery.on('ready'). props obenland. see #23875.



git-svn-id: http://core.svn.wordpress.org/trunk@23891 1a063a9b-81f0-0310-95a4-ce76da25c4cd
jQuery UI 1.10.2.

props ocean90. fixes #23370.



git-svn-id: http://core.svn.wordpress.org/trunk@23892 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Backbone 1.0.0.

Update media JS to reflect changes. Please open new tickets for remaining issues.

props koopersmith.
fixes #23830.



git-svn-id: http://core.svn.wordpress.org/trunk@23893 1a063a9b-81f0-0310-95a4-ce76da25c4cd