Removed used SVProgressHUD call.
Slight refactoring for Photo View Model.
Fixed the progress HUD on loading images.
Brace bracket consistency.
Unit testing!
Updated CocoaPods to stop SOMEONE from nagging.
Removed unnecessary import statement.
MOAR TESTS.
Added FRPPhotoViewModel tests.
Fixed method signature.
Completed unit tests.
Fixed unit tests.
Added loading property to FRPPhotoViewModel.
Merge pull request #24 from AshFurrow/reactiveviewmodel

[WIP] Reactive View Model Refactoring & Testing