Allow any post format to be default, not just ones with explicit support.

props SergeyBiryukov. fixes #24036.

git-svn-id: http://core.svn.wordpress.org/trunk@24089 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta1-24090.

git-svn-id: http://core.svn.wordpress.org/trunk@24090 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Smarter structured post format caching.

fixes #24002. props kovshenin, wonderboymusic.

git-svn-id: http://core.svn.wordpress.org/trunk@24091 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Screen option for Post Format UI.

props nacin. see #23930.

git-svn-id: http://core.svn.wordpress.org/trunk@24092 1a063a9b-81f0-0310-95a4-ce76da25c4cd
the_post_format_gallery() (and Twenty Thirteen using it).

fixes #24126. props obenland, wonderboymusic.

git-svn-id: http://core.svn.wordpress.org/trunk@24093 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent a PHP Warning for $post_format.

props MZAWeb, kovshenin. see #24011.

git-svn-id: http://core.svn.wordpress.org/trunk@24094 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta1-24095.

git-svn-id: http://core.svn.wordpress.org/trunk@24095 1a063a9b-81f0-0310-95a4-ce76da25c4cd