Commented Feature: Update : [code/unity] Migrate application design to use Unity for IoC [1691]

Implement Unity and Dependency injection to enable the development of Unit Tests as Tweetinvi currently only have Integration tests.
Comments: Associated with changeset 33470: Version 0.9.0.0
- Implemented a FakeClassBuild which generates the types contained within the targeted classes constructor parameters
- Implemented a FakeRepository storing Fake references of the FakeObjects to enable accessing the Fakes from an object.
- Updated AccountControllerTests to use the FakeBuilder