Update rails
Merge pull request #53 from NYULibraries/feature/update-rails

Update rails
Remove authpds-nyu, use omniauth-nyulibraries
Remove Authpds Controllers
Remove User Session Controller
Remove user session model
Make user omniauthable, add new attr_accessors
Remove auth_logic
Add attributes to user model
Add omniauth controller
Add devise and omniauth initializers
Add devise locales
Temporarily use these institutionshelpers
Set up routes for omniauth
Use git version of omniauth-nyulibraries
Remove all vcr cassettes
Remove fixtures, use factory girl
Add factorygirl, database_cleaner, and Faker to gemfile.
Remove authlogic attributes from user model
Remove authlogic comment from application controller