added basic new college form
added some custom validations to college model
added contact and address fields
defined initial create action for colleges for debugging purposes
added uniqueness validation for contact office and phone
generated role model and ran migrations
added devise and cancan to gemfile
ran devise install
generated users model and ran migrations
generated migration for data column in users table and ran migrations
enabled scoped_views
added name for mass-assignment
disable user registrations
generated devise views for users
setup association between user and role model
added name and phone for mass-assignment in user model
setup association between user and college model and also changed roles to role in user model
routes for default root and when authenticated
generated users controller
resolved redirect loop issue