non-functional location notifications
Merge branch 'master' of https://github.com/duke-compsci408-fall2014/Cityzen
Merge branch 'master' of https://github.com/duke-compsci408-fall2014/Cityzen
basis for login and user persistance
finished persist login
Merge branch 'master' of https://github.com/duke-compsci408-fall2014/Cityzen