Cleaned up Gemfile. Updated hash style
Fixed trailing whitespace issue in allocation_controller
Fixed trailing whitespace issue in projects_controller
Fixed trailing whitespace in skills_controller
Fixed trailing whitespace in staffing_requests_controller
Fixed trailing whitespace in titles_controller
Fixed trailing whitespace in users_controller
Added note about has_and_belongs_to_many to skill model
Added comments about the enum method in the staffing_request model
Added comments about the enum method in the User model
Removed unneeded comments from routes
Added to README about routes and linked to Angular.js exercises repo
Added pry and 12factor gems to Gemfile
Added .env to .gitignore
Removed unused test directory
Added not null constraints and a default to user role
Added a not null constaint to titles
Added a null constraint to skills
Added a null constraint to projects
Added a not null constraint to both foreign keys in allcations table