Extensive changes to observers
Merge remote-tracking branch 'origin/feature/grantb/swagger' into feature/observer
Added ObserverToken and a few minor edits
Marked various classes as Observable
Cleaned up Observer naming
Merge branch 'develop' into feature/observer
formatting.
Merge branch 'feature/observer' into develop

Conflicts:
	Src/Mojio.Client/MojioClient.cs
client api update, trip, user, mojio.