updated beacon service, removed helper methods, replaced success/failure blocks with completion blocks
simplified the geofence api
find and replace CCB
found and removed more Carbon references
fixed receive typo
updated documentation
cleaning up vault service api
updated error code enum
updated api docs
removed APNS specific methods.  All methods use APNS
added subscription docs
cleaned up init methods
updated identifier user when creating CLBeaconRegion and CLCircularRegion.  It used id instead of name now
removed comments
renamed success to completion
changed udid to uuid
convertin id to string
removed BOOL success from completion blocks
Merge branch 'api-work' of https://github.com/contexthub/contexthub-ios-sdk into api-work
added todos, updated beacon service with singleton initializer, instnace methods, and named params.