all models
add devise gem and add rents controller with view
	Merge branch 'master' of https://github.com/Xypus/Rental

Conflicts:
	config/routes.rb
	db/schema.rb
	Merge branch 'master' of https://github.com/Xypus/Rental

Conflicts:
	db/schema.rb
Merge branch 'master' of https://github.com/Xypus/Rental