Fix for the youtube processor.
Merge branch 'master' of git://github.com/sakaiproject/Hilary

* 'master' of git://github.com/sakaiproject/Hilary:
  #498 followup. JSDoc Cleanup, refactor in oae-emails init.
  Saving email address for Facebook & Google logins
  498 - Added sendmail support
Returning content profile on content updates
Fixed an intermittent test failure in content activities.
Merge pull request #521 from simong/content-improv

Updating content details (/api/content/:id) should return profile in response
Adding thumbnail URLs (not URIs) on each revisions.
Added the medium preview uri/url to the revision.