Revisions: Pass the whole revision being filtered along with context about which side it is to the _wp_post_revision_field_$field filters.

Fixes #19932 props pollett, ethitter.


git-svn-id: http://core.svn.wordpress.org/trunk@23404 1a063a9b-81f0-0310-95a4-ce76da25c4cd
POT, generated from r23404

git-svn-id: http://core.svn.wordpress.org/trunk@23405 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Begin simplifying some of the visual elements in the admin, starting with gradients. White space purposefully not currently altered. props lessbloat, melchoyce, aaroncampbell, sabreuse. see #23415.


git-svn-id: http://core.svn.wordpress.org/trunk@23407 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-alpha-23408.

git-svn-id: http://core.svn.wordpress.org/trunk@23408 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Restore the following:

* Box shadow for screen options/help tabs focus state.
* Text shadow on the about screen badge to match the text shadow in the graphic itself.
* Border for credits screen gravatars, in place of the previous box shadow.

props nacin. see #23415.


git-svn-id: http://core.svn.wordpress.org/trunk@23409 1a063a9b-81f0-0310-95a4-ce76da25c4cd