added chirun's changes to models for multi region
add OBA region read and write to DAO implementation

Conflicts:
	Classes/Control/OBAModelDAOUserPreferencesImpl.m
all of chirun's multi region changes now added
implemented own settings and can change region now in settings; issue #92
remove IASKSettings
change contact email address when region changed
added region Twitter url handling
automatic region detection on startup; issues #90, #91
update region info on every startup
added custom api url handling, issue #94
custom url can now end with or without "/", issue #94
fix crash
added out of service area notice
Merge branch 'pr/87' into develop

Conflicts:
	view_controllers/OBASearchResultsMapViewController.m