Porting lwIP to UC/OS-II

For this year Eurobot, the CVRA is building two different robots, and also doing some computer vision. While this sounds nice, it also comes with added complexity : The two robots have to communicate with the two computer vision boards, and with each other, using the communication architecture below (Debra-4 being our main robot with SCARA arms and Nastya-2 our holonomic platform).