Refactor products inventory
Merge branch 'master' of github.com:fpoirier1/bookies-app

Conflicts:
	src/Bookies/CoreBundle/Controller/ApiController.php
	src/Bookies/CoreBundle/Entity/Inventory.php
	src/Bookies/CoreBundle/Entity/Product.php
	src/Bookies/CoreBundle/Entity/ProductTemplate.php