Remove users from backend and add initial CouponsController
Travis fix
Merge pull request #11 from Habitats/backend_cleanup

Remove users from backend and add initial CouponsController
Merge pull request #12 from Habitats/travis

Travis fix
Further cleanup of backend
First json interaction between backend and admin
Merge pull request #13 from Habitats/things_talk

First json interaction between backend and admin
Remove binding.pry
Update README.md
Further changes to api
added android project
removed unused files
added gson and yodatime dependencies

- gson is used to serialize objects easily
- datetime is used becuase java's built in date is severly broken
configurated the manifest file
created abstract base classes for activity and fragment.

The main reason for this is to supply helper methods common to all
fragments and activities in the app. It also makes it easy to change the
fragment implementation to one from the support library or similar, at a
later stage.
Created a custom application; can be used to initialize code before app is started
Created a coupon model class + xml to fit with it

The model only have a few potential fields atm. It should be used as a
basis for the actual coupon model.
added color and dmins value files
created a basic coupon fragment to show info about a specific coupon
created a basic coupon list fragment, to show a list of coupons