Add all oauth2 dependencies
Merge branch 'master' into feature/oauth2

* master:
  Use ApiController error methods in PhotosController
  Use respondWithItem in PhotosController@show
  Use errorNotFound method in UsersController
  Fix spelling in PhotoTransformerTest
  Use PhotoTransformer in PhotosController and add include=user support
  Create PhotoTransformer with test
  Improve readability of UserTransformerTest
  Create UserTransformer and use fractal in ApiController
  Return response with item if logging in
  Improve readability of config/app.php
  Remove casting for user attributes
  Rename BaseController to ApiController
Use .env file for config stuff
Update .env.development.php to match with homestead
Merge branch 'feature/oauth2' into develop

* feature/oauth2:
  Update .env.development.php to match with homestead
  Use .env file for config stuff
  Add all oauth2 dependencies