Tweak the Nav Menu UX, especially around menu creation.

props lessbloat, DrewAPicture, jkudish. fixes #23641

git-svn-id: http://core.svn.wordpress.org/trunk@23622 1a063a9b-81f0-0310-95a4-ce76da25c4cd
RTL for Nav Menu tweaks. see #23641. fixes #23645. props DrewAPicture.

git-svn-id: http://core.svn.wordpress.org/trunk@23623 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add filters to comments_link_feed(), comment_link(), and get_comments_link(). esc_url() the echoed output of comments_link().

props MarcusPope.
fixes #19210.



git-svn-id: http://core.svn.wordpress.org/trunk@23624 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unhyphenate "log-in". see #23295

git-svn-id: http://core.svn.wordpress.org/trunk@23625 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add shortcode_atts_$shortcode filter for when the name of the shortcode is passed to shortcode_atts(). props coffee2code. fixes #15155.



git-svn-id: http://core.svn.wordpress.org/trunk@23626 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-alpha-23627.

git-svn-id: http://core.svn.wordpress.org/trunk@23627 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: better styling for text input elements in small viewports. Props obenland and karmatosed, fixes #23629.

git-svn-id: http://core.svn.wordpress.org/trunk@23628 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: minor tweaks and fixes, props obenland. Fixes #23698.

 * Add 1px to top margin for second level menus to align child menus with parent height
 * Remove text-decoration on hover for cancel-comment-reply-link
 * Pull floated images only in post content
 * Close edit link span element correctly

git-svn-id: http://core.svn.wordpress.org/trunk@23629 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: align comment "bypostauthor" star correctly, props taupecat. Fixes #23696.

git-svn-id: http://core.svn.wordpress.org/trunk@23630 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use auto-draft rather than post_ID = 0 to detect whether we are adding a new post. see #23665.



git-svn-id: http://core.svn.wordpress.org/trunk@23631 1a063a9b-81f0-0310-95a4-ce76da25c4cd