[#61401818] Remove drupal caching functions and update theme endpoint to handle new return type.
Merge pull request #58 from jamesiarmes/webapp-return-values

[SPRINTFIX][#61401818] Remove drupal caching functions and update theme endpoint to handle new return type.
[#58683740] Added quantity option to add to cart.
Merge pull request #60 from bdlangton/58683740

[SPRINTFIX][#58683740] Added quantity option to add to cart.