changed contacts collection to support twitter instead of 4sq
changed contacts collection to support twitter instead of 4sq

tjgillies/Locker,quartzjer/Locker,othiym23/locker,othiym23/locker,quartzjer/Locker,tjgillies/Locker,LockerProject/Locker,othiym23/locker,othiym23/locker,LockerProject/Locker,othiym23/locker,tjgillies/Locker,LockerProject/Locker,quartzjer/Locker,Singly/hallway,tjgillies/Locker,tjgillies/Locker,quartzjer/Locker,quartzjer/Locker,LockerProject/Locker,LockerProject/Locker,Singly/hallway