Defer updateDaemonTable call until all watchers have received a snapshot
Defer updateDaemonTable call until all watchers have received a snapshot

There's a mechanism in place to detect when all snapshots have received
their first update (the accWait channel). This commit ensures that no
calls will be made to update the daemon routing table until that channel
is closed.

datawire/telepresence,datawire/telepresence,datawire/telepresence