add backend CarModel and Owner
added backend cars views and controllers
modify routes for backend
changes in the backend controllers
modify routes and path
added model to add new
modification in car new
Adding facebook auth files
Edit facebook auth files
Facebook authentication and showing user image
Edit some styles files
Edit style files
Add facebook logo
Adding admin login form
Edit seeds and migrations files
Show car owner and he can add used cars
Show car owner for each car
Show administration tab
Car owner can edit and delete his car
modification in car_model backend