Allow port and ip specification using ros params as well as the command line
changes to ardrone_lib.patch needed for multi-quadcopter setup
Add new launch file to demonstrate multiple drones
Import Mike Clement's python udp proxy
Rosify the udp proxy, intial testing shows it working ok but haven't tried it with drones yet
Modifications to the ardrone driver to work with the udp proxy, compiles but hasn't been tested on any drones yet