Fix for post a question allowing spaces only
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
fix for profile nav broken links
Merge commit 'comm.20130103.r03' into elipsis_screenname