Avoid a PHP notice in get_page_template_slug() if the page does not exist. props tollmanz. fixes #24250.

git-svn-id: http://core.svn.wordpress.org/trunk@24191 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Go back to plain text diffs between revisions instead of attempting partial rendering.

fixes #24254

git-svn-id: http://core.svn.wordpress.org/trunk@24192 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: more specificity for `.reply` selectors, props johnjamesjacoby for starter patch. Fixes #24268.

git-svn-id: http://core.svn.wordpress.org/trunk@24193 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Eleven: call `get_post_galleries()` correctly now that it has new arguments, and use a more accurate `function_exists` call. Props kovshenin, closes #22907.

git-svn-id: http://core.svn.wordpress.org/trunk@24194 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Ten: call `get_post_galleries()` correctly now that it has new arguments, and use a more accurate `function_exists` call. Props kovshenin, closes #23617.

git-svn-id: http://core.svn.wordpress.org/trunk@24195 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Ten and Twenty Twelve: fix minor indentation issues in CSS files (spaces to tabs).

git-svn-id: http://core.svn.wordpress.org/trunk@24196 1a063a9b-81f0-0310-95a4-ce76da25c4cd