Removed AboutCtrl tests, added InventoryCtrl tests
Refactored remaining credit function, mocked out more unit tests
Finished shopping bag unit tests
Finished writing Suggestions tests
Finished Item Lookup unit tests
Renamed InventoryCtrl to ProductsCtrl
Renamed InventoryCtrl to ProductsCtrl
Merge branch '1_unit_testing' of https://github.com/thomasweng15/durfee-swipe into 1_unit_testing
Removed remaining unit tests as they were more like e2e than unit
Renamed inventory.js test file to products.js and added basic test