pdnsd: Ensure ipv4.tunnelbroker.net is always resolvable

We need to update client IP for IPv6 tunnel before connecting to VPN, but we
can't reach external DNS servers without VPN, so we hardcode its IP into the
configuration file.
Remove useless script
openvpn: Update IPv6 tunnel parameter before connecting
Generate configuration files from template
ddclient configuration
rt_tables
munin.conf
lighttpd configuration
Whoops
webui: Switch to FastCGI
squid: Use lighttpd as webui backend