Added functioning Devise
Added internal links to make the app user-friendly
Merge branch 'develop' of github.com:MannyV/airbmb into develop

Conflicts:
	Gemfile.lock
	app/controllers/application_controller.rb
	app/controllers/flats_controller.rb
	app/controllers/users_controller.rb
	app/models/flat.rb
	app/models/user.rb
	app/views/devise/registrations/new.html.erb
	app/views/flats/index.html.erb
	app/views/layouts/_navbar.html.erb
	app/views/layouts/application.html.erb
	app/views/pages/home.html.erb
	app/views/users/profile.html.erb
	config/initializers/devise.rb
	config/routes.rb
	db/schema.rb