Import FacebookSDK.framework and Set it up on .plist file
Fix problem related to Facebook integration
Insert user based on Facebook
Set MapNavigationController as default in case there's a cached session
Remove cancel button
Treat errors related to the user cancelling the permission/login
Implement screen redirect based on user session
Add User pList
Create and implement User model
Verify user by pList in AppDelegate
Verify nickname and add upload attribute to User plist
Show map after successfull registration
Add new field to User plist and methods do access them
Improve login process
Add method to show alert messages
Insert nickname to the plist after download data from facebook
Remove methods to download and set FB data from LoginComplementary to the AppDelegate
Centralize the main methods related to requests in the AppDelegate and verify the user data in MapViewController
Gather everything related to the user download/upload into LoginComplementary in order to test the feature
Add nickname validation and show animated message