cleanup some overrides, choose fdk over faac
allow unfree packages
add 32bit stdenv env
bluemote: add alternative ip address
bluemote: run VPN on secondary IP address
bluebook: disable the via-bluescreen VPN workaround
bluemote/vpn: switch back to udp now we no longer tunnel through bluescreen

udp is more efficient for layer 2 traffic
temp switch to default kernel
temp set glibcMinKernelVersion to current kernel version