Removed test Heroku view; it works.
Created School model, school-user association, removed location from User.
Spec files for school, added simple specs for School model.
Added omniauth gem and initializer.
Generated city model.
Added city relationship to users.
Added validations and relationships to City.
Added City-Schools relationship.
Added name uniqueness and corresponding specs to City and School.
Generated geocoder config file.
Silenced geocoder deprecation warning.
Moved common location functionality to Location concern.
Updated Factories to get around uniqueness validators.
Added validations to Skill.name
Generated SessionsController.
Added routes for SessionsController, including omniauth callbacks.
Basic logging in/out. Also generated PagesController to display home page.
Added figaro support to hide omniauth keys and secrets.
Added basic links for other authentication methods.