Point to new url
Store FB auth token and use stored when possible

This solves the problem where the app was started while offline, but since it could not reach facebook, it would not kick off replication.  That meant it would not receive network change notification events.
Abort if trying to start a replication when already running

Store FB auth token and use stored when possible: change method signature
Push local notifications when receiving certain errors from replicator
Abort if trying to start a replication when already running
add verbose logging of MainActivity lifecycle
prevent multiple replications from being created

I was seeing multiple change trackers (https://gist.github.com/tleyden/8a997a80b28317b2a023#file-gistfile1-txt-L4440-L4526) and traced it to the fact that TodoLite was spawning new replications despite already having existing ones.
Debug logging, exception handling, null checking