Remove unused variables introduced in [23843]. see #19570.

git-svn-id: http://core.svn.wordpress.org/trunk@23993 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revisions UI: Remove the "To:" prefix from the header when viewing a single revision. Also prefix a revision field with a label.

props SergeyBiryukov, adamsilverstein, faishal. fixes #23903.

git-svn-id: http://core.svn.wordpress.org/trunk@23994 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revisions UI: Increase the text contrast/color for the diffs. see #23810.

git-svn-id: http://core.svn.wordpress.org/trunk@23995 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta1-23995.

git-svn-id: http://core.svn.wordpress.org/trunk@23996 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta1-23997.

git-svn-id: http://core.svn.wordpress.org/trunk@23997 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add missing semicolon. props kovshenin. see #23831.

git-svn-id: http://core.svn.wordpress.org/trunk@23998 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix several copy/paste errors in register_deactivation_hook() description. props Caspie. fixes #24097.

git-svn-id: http://core.svn.wordpress.org/trunk@23999 1a063a9b-81f0-0310-95a4-ce76da25c4cd
* Add start/end markers to the regex patterns in audio and video embed handlers.
* Move the handler functions registration to wp_maybe_load_embeds().
* Rename both functions to match the wp_embed_handler_* pattern.
* Move the functions closer to wp_embed_handler_googlevideo().

props kovshenin. fixes #24092.

git-svn-id: http://core.svn.wordpress.org/trunk@24000 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Merge remote-tracking branch 'upstream/master'
Bundled themes: add identifier to `style` elements added by the theme. Fixes #24033.

git-svn-id: http://core.svn.wordpress.org/trunk@24001 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Consistently apply class="title" to our options page h3 tags.

props norcross. fixes #24080.

git-svn-id: http://core.svn.wordpress.org/trunk@24002 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make get_the_post_format_image() work when intermediate_image_sizes is empty.

props lancewillett. fixes #24060.

git-svn-id: http://core.svn.wordpress.org/trunk@24003 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: improvements to functions.js to add namespacing to events and simplify repeatable functions. See #23875.

git-svn-id: http://core.svn.wordpress.org/trunk@24004 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Merge remote-tracking branch 'upstream/master'