Update help text for [24860]. props ocean90. see #24804. for 3.6.



git-svn-id: http://core.svn.wordpress.org/branches/3.6@24921 1a063a9b-81f0-0310-95a4-ce76da25c4cd
RTL fix for MediaElement.js video controls. Also filed upstream. fixes #24897.



git-svn-id: http://core.svn.wordpress.org/branches/3.6@24923 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add screenshots and video to about page. props markjaquith. fixes #24832.



git-svn-id: http://core.svn.wordpress.org/branches/3.6@24925 1a063a9b-81f0-0310-95a4-ce76da25c4cd