FB Friends: main view and view controller
FB Friends: image model, cache, view
FB Friends: NSCoding for image model
FB Friends: user data object
FB Friends: add spacer image
FB Friends: name -> firstName, lastName
FB Friends: add array of user models
FB Friends: full serialization of image model
FB Friends: add view for custom table cell
FB Friends: update image view and main view
FB Friends: add context for users loading
FB Friends: save model in app delegate
FB Friends: update main view controller

delegate for FBLoginView and data source for table view