Intial code for models. Need to add tests.
Need to resolve public use of Deserializer (I want to centralize the creating of Gson object)
Server does not yet support Title for Picture objects
PagedResults may need to be re-worked after testing
Added test
Bugfixes
Changes based on Code Review feedback
Fix build break in tests
Add id to CheckinLocation
Merge pull request #21 from nickatbuddy/na_models

Implement Models
Merge branch 'develop' of github.com:BuddyPlatform/Buddy-Android-SDK into develop