add sample configuration

VPN config is based on Cyberghost VPN
adapt readme to new folder layout, add description for private_local folder
add init script that starts vpn_shepherd and vpn_led
openvpn watchdog script - start the daemon and keep it up and running
create VPN tunnel routing entries on openvpn startup in table vpn
removes routing entries for the VPN tunnel from table vpn on openvpn shutdown
configure routing for public network over VPN tunnel
configure routing for public network over direct connection
light up some LEDs to show the system state
switch the public net between VPN and direct connection using the front button
split the ports into public and private network, create bridges
replace stock firewall configuration with a custom rule set
add a routing table dedicated to the routing for the VPN tunnel
dhcp setup for the public and private network
wireless interface setup (contains default ssid and pwd)
use Cyberghost DNS servers (will be overwritten by dynamic configuration)
fix config after flashing the firmware

There is no way to apply a custom configuration from a private package
over a default system configuration file if the private package was
integrated into the firmware via the firmware builder. It also seems
that the handling of the configuration file of the iproute2 is somehow
broken...
control file that describes the freepackets-wrt54gl package
script to build the package for the wrt54gl
keys used during development