added login screen with FaceBook
Rewritten login screen with Accounts and Social frameworks. Created User model
changed the method names to more understandable
source files' restructuring.  placing them into folders and groups
added model data filling from FaceBook and exceptions via warnings for user
Side menu added
Side menu corrected
added storing user information in NSUserDefaults (class PMPActiveAccountService)
added returning saved user from ActiveAccountService
cleaned LoginScreen from unused stuff
added deleting User Info from NSUserDefaults (Logout). minor fixes in ActiveAccountService
merging picking photo with side menu
added stubbed feed
merged with scherbakov and logot
syntax fixes (gavryushov)
syntax fixed (pavlenko)
fixed according to Yury requirements (gavryushov)
fixed according to Yury requirements
no message
gesture recognizer added