* Pass ellipsis as a parameter to wp_html_excerpt() instead of appending it manually.
* Consolidate the logic to avoid appending ellipsis if the entire string is shown.
* Show ellipsis after truncated filenames and post titles.

props solarissmoke, bpetty, SergeyBiryukov. fixes #11446.

git-svn-id: http://core.svn.wordpress.org/trunk@24214 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: fix for the disappearing placeholders bug in Chrome, see #24177

git-svn-id: http://core.svn.wordpress.org/trunk@24215 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta2-24216.

git-svn-id: http://core.svn.wordpress.org/trunk@24216 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't show "Manage Locations" tab if the theme has no menu locations defined. props DrewAPicture. fixes #24115.

git-svn-id: http://core.svn.wordpress.org/trunk@24217 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make the notice on Edit Menus screen more in line with the help text. props DrewAPicture. see #24115.

git-svn-id: http://core.svn.wordpress.org/trunk@24218 1a063a9b-81f0-0310-95a4-ce76da25c4cd