Add !rollback function. This will only take affect at the next tick, and will not reparse scans.

(cherry picked from commit 97d520a6bce4e137e01a73dbdbdd5fd27f1a85ce)
settings for #scans

Signed-off-by: Martin Stone <martin@d7415.co.uk>
Disabled more intel-based commands.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
merlin.cfg: Options set to True *and* False. I need QC...

Signed-off-by: Martin Stone <martin@d7415.co.uk>
merlin.cfg: Changed case of #Scans to #scans.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
New sharing settings.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
Disable ScanQuota for Scans.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
Disable 0-age non-JGP scan requests.

Signed-off-by: Martin Stone <martin@d7415.co.uk>
!req: Only show last 3 ticks of requests.

Signed-off-by: Martin Stone <martin@d7415.co.uk>