fixed some issues with the stubs
added devise authentication to the app
added a reference to city in the user model
created a basic login layout
user is now linked with a city, added basic authentication
removed municipios interface from the system
installed Pundit in the app
separated the inspections and inspectors crud operations
installed better erroes, basic policy for inspector
added an inspection policy, added logic for this and the inspector policy records
Merge pull request #26 from CodeandoMexico/authentication-and-authorization

Authentication and authorization