Refactoring: Watching, Starring, Following
Refactoring: UserController

Use blocks instead of KVO
Refactoring: User objects

Postpone association creation until needed (saves memory), plus some minor changes
Refactoring: OrganizationController

Use blocks instead of KVO
Refactoring: BlobsController

Use blocks instead of KVO
Refactoring: CommitController

Use block instead of KVO
Refactoring: FilesController

Use blocks instead of KVO
Refactoring: CommitsController

Use blocks instead of KVO
Refactoring: GistsController

Use blocks instead of KVO
Refactoring: UsersController

Use blocks instead of KVO
Refactoring: TreeController

Use blocks instead of KVO
Refactoring: OrganizationsController

Use blocks instead of KVO
Refactoring: OrganizationRepositoriesController

Use blocks instead of KVO
Refactoring: MenuController

Use blocks instead of KVO
Refactoring: SearchController

Use blocks instead of KVO
Refactoring: EventsController

Use blocks instead of KVO
Refactoring: IssuesController

Use blocks instead of KVO
Refactoring: IssueController

Use Blocks instead of KVO
Refactoring: GistController

Use blocks instead of KVO
Refactoring: ForksController

Use blocks instead of KVO