add note about allowping to murmur.ini regarding information exposure
add note about allowping to murmur.ini regarding information exposure

fixes #1814

LuAPi/mumble,Lartza/mumble,SuperNascher/mumble,SuperNascher/mumble,LuAPi/mumble,Lartza/mumble,LuAPi/mumble,SuperNascher/mumble,LuAPi/mumble,SuperNascher/mumble,Lartza/mumble,SuperNascher/mumble,SuperNascher/mumble,SuperNascher/mumble,LuAPi/mumble,Lartza/mumble,LuAPi/mumble,LuAPi/mumble,LuAPi/mumble,Lartza/mumble,SuperNascher/mumble,SuperNascher/mumble,Lartza/mumble,Lartza/mumble,LuAPi/mumble,Lartza/mumble