add mumble-server
more variables in main config file
nethogs: use $NZ_IFACE variable
add some functions to common.sh:
_NzUserGetName() { #Get main user's username
_NzTestInetConnection() { #Test connectivity to debian.org
_NzEditMotd() { #Edit maintenance message
_NzUserShowWwwaccess() { #Show main user's permissions on web served content
_NzUserToggleWwwAccess() { #Show main user's permissions on web served content
_NzUserShowTransmissionAccess() { #Show main user's permissions on transmission downloaded files
_NzUserToggleTransmissionAccess() { #Toggle main user's permissions on transmission downloaded files