Q module: Don't enable the UseCloakedHost option by default.

On QuakeNet's ircd you can't unset user mode +x once set. But loading
the Q module will set it immediately, possibly requiring a reconnect
if you don't want to use a cloaked host.

Signed-off-by: Anders Bergh <anders1@gmail.com>
Merge pull request #525 from anders/q-nocloakdefault

Q module: Don't enable the UseCloakedHost option by default.