BUG: Race condition from Verboice with status updates

https://trello.com/c/dBV3d4zU

Verboice now passes back custom parameters during status callbacks
so the race condition is solved by virtue of always having a saved
document before the outgoing call is initiated

Change-Id: I946a1c1105e3ca287cb8a938d9569d119b93e9f8
Merge "BUG: Race condition from Verboice with status updates"