Strategy of path finding

Implemented the previous idea of finding the horizon direction using the last rfid card read and the current one. Also set the proper rfid card codes. Program ready for a global test.
	modified:   AI/bin/cards.txt
	modified:   AI/bin/cards1.txt
	modified:   AI/bin/cards2.txt
	modified:   AI/include/GameControl.h
	modified:   AI/include/PacDot.h
	modified:   AI/include/Sensors.h
	modified:   AI/src/GameControl.cpp
	modified:   AI/src/PacDot.cpp
	modified:   AI/src/Sensors.cpp