Merge tag 'sf.displayissues.r32' into integration

Fix for tooltip

* tag 'sf.displayissues.r32':
  Fix for tooltip
Merge tag 'sf.displayissues.r33' into integration

Fix for tooltip

* tag 'sf.displayissues.r33':
  Fix for tooltip
Merge tag 'sf.displayissues.r34' into integration

Fix for tooltip

* tag 'sf.displayissues.r34':
  Minor css tweak
Rolling addthis plugin back to 2.4.0
Merge commit 'cab.share.r06' into integration
Changed results list headers to sort category drop downs alphabetically, and the posts widget to sort user lists alphabetically by user_nicename
Merge commit 'dc.alpha_dropdown.r01' into integration
Fix for post a question allowing spaces only
fix for elipsis in front of screen name causing profile link to be home link
Merge commit 'dc.elipsis_screenname.r01' into integration
Minor tweaks to addthis post-upgrade; some prep for switching to brand-dedicated css.
Merge commit 'cab.share.r07' into styles
JIRA PHP-583: Removing ribbons from logos
Merge commit 'cab.styles.r10' into integration
Splitting CSS and Sass files into brand-dedicated files and folders.
fix for profile nav broken links
Merge commit 'comm.20130103.r03' into elipsis_screenname
Merge commit 'cab.styles.r11' into integration
Switching brand class names on buttons in flagging modal.
Merge commit 'cab.styles.r12' into integration