Q module: Store default NVs on module load.
Q module: Don't cloak host on first module load while connected to IRC.
Q module: Add web config.

Move Cloak() from the Set command to SetUseCloakedHost() so that the
web config can use it also.
Merge pull request #526 from anders/q-nocloakdefault

Q module: Store default NVs and better default host cloak behavior, web page