[bootstrap3] applying bootstrap3 version of sufia
updating tests to work with latest sufia
Fixing dashboard expand details for bootstrap 3
Changing spec since the anchors are no longer visible in bootstrap3
added tagcloud
Added user notification on user file permission addition
updated to use latest sufia tagcloud with improved javascript & config
Merge pull request #18 from psu-stewardship/tagcloud

Tagcloud Explorer on Homepage (using Sufia tagcloud)
Added a permission notification behavior. Modified notification to notify users of a particular group