Add Sorcery gem to Gemfile
rails g sorcery:install
rake db:migrate
rails g scaffold user

email:string crypted_password:string salt:string --migration false
create new user
rails g controller UserSessions new create destroy
added session controller
added login page
configured the routes for user sessions
updated layout template
secure access control actions
Fixed broken path
rails generate model instructor

f_name:string l_name:string age:integer city_id:integer
state_id:integer phone:string user_id:integer
association between user and instructor
[hotfix] associated user to instructor
Added roles to User model

rails generate migration AddRolesToUser roles:string