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
Merge branch 'master' into develop
clarify contributing guidelines, update roadmap, add huboard
Merge pull request #80 from bbodenmiller/contribution-updates

clarify contributing guidelines, update roadmap
fix bug with huboard ready image not updating

not updating due to github caching of http address. changing to https gets around caching.
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
update privacy policy link
added out of service area notice
make search radius bigger and fix selection of results, issues #67, #68
set radius to 15000