Merge pull request #12 from jpslav/editor-libraries

checking in way old, possibly incomplete work to maintain it
Migration changes WIP
Redid all the migrations
Modified DB schema to match our discussions
Added tables for rubrics
More migration WIP
Some more migration updates
Nuked most unnecessary libraries
Added deputies; Probably done with migrations
Removed/renamed deprecated models; Specs finally run
Added blank models and specs
Added blank spec files and other maintenance
Added more blank spec files
Added blank controllers
Added blank factories
More blank specs and access policies
Updated to Rails 4
Updated gems
Some more migration changes; Rename Accounts user to Account
Added list role controllers and specs