FavoriteDAO: Check if post exists before trying to insert without all necessary metadata
Display insights in crawler RSS feed, closes #1261
Remove pause/start crawling button for non-admin users, closes #1226
Update documentation styling to match new ThinkUp 2.0 site.
Use transport-neutral links for CDN content.
Merge pull request #1532 from anildash/update-and-restyle-docs

Update and restyle docs
Added google+ pages not supported notice.
Merge pull request #1533 from shashankmehta/patch-1

Added google+ pages not supported notice.