fixed test for login
changed login testing
Added basic devise. Removed test folder in place of rspec.
Added views and migrations for devise. Need to create controller.
Added resources to routes
Merge branch 'login' of https://github.com/LaunchAcademy/food_trucks into login

Conflicts:
	Gemfile
	config/environments/development.rb
	config/routes.rb
	spec/features/add_user_spec.rb
Merge pull request #21 from LaunchAcademy/login

Fixes #1
Fixing conflict in gemfile