Add psr-4 autoloading to PhotoTresor\Repositories\
Create PhotoTresor\PhotoRepository
Use PhotoRepository in PhotosController
composer require mockery
Generate PhotoRepository unit test
Merge branch 'master' of github.com:PhotoTresor/server

* 'master' of github.com:PhotoTresor/server:
Convert Controllers to use tabs
Convert UsersCest to use tabs
Add the ability to delete users with a http DELETE to /users/{id}

Conflicts:
	app/controllers/PhotosController.php