First success in communicating RC and Servos from and to Arduino.
-Removed notinterrupts() in the arduino core loop
-Set the I2C interrupts routine to the minimum

The I2C Comunication  is now stable for long
Arduino sketch for I2C remote and servos
Begin SPI communication dev
Merge branch 'dev_pilot' of https://github.com/vjaunet/QUADCOPTER_V2