[worthwhile] UNFINISHED beginning work on switch to worthwhile
Using worthwhile bootstrap3 with javascripts from curate; bootstrap3 form-control styles
fixes Gemfile to point at github instead of local path.
Latest version of worthwhile and sufia
Use the modern version of blacklight routes.
Test should use a private work
Fixed brand bar style.  Part of story #71
Removed some unnecessary style.  Part of story #71
Adds worthwhile-based collections support
Use boostrap3 classes for image index partial
Updated mailboxer tables to the correct names for version 0.12.0
reset the image index partial to the default
refs #76 restoring Add to Collection button in search results
pulls in latest worthwhile. fixes #75 refs #73 #76
pulling in latest version of worthwhile fixes #78
We don't need sufia-models off of github anymore