correction of .gitignore file
add files MoteursPWM.cpp and MoteursPWM.h to the project
ports are currently initialized in MoteursPWM.h (modify later)
add files Robot.cpp and Robot.h
they contain currently the structure of the Robot class
It commands the robot
delete MoteursPWM.cpp and MoteursPWM.h : code is insert in
the Robot class
implementation of Robot class (but not the sensor) and Communication.cpp
add code in ctor Robot(), add conditions in all functions to command the
robot on boolean moteurOn
modification of initialisation struct Trame in Communication files
Merge branch 'cmd_motor'
fin du code arduino version 1

Conflicts:
	Communication.h
big commit ... reste à envoyer l'etat des capteurs, et a faire les
fonctions correspondantes