Authenticator: Remove broken comment
Add helper method for offline image displaying
Start of refactoring sync progress

Rather than refetching all the data we want to send the current progress
in the BroadcastReceiver.
Update guide sync progress in UI
Fix OfflineGuideItem offline image check

The boolean was flipped so it was doing the exact opposite of what we
wanted i.e. displaying live images if we don't have internet.
Order uncompleted guides query

This makes them load in the same order as displayed in the UI. Otherwise
the guides are synced in a random order if it is cancelled and restarted.
Sync progress: Handle transitions gracefully