Hello Fellow DIY'ers, I have recently bought a ready-to-fly w/ basic electronics Arducopter 3DR Quad for Udrones and am having trouble arming my quad.  I read the wiki for the arducoptor and the autopilot mega to gain an understanding of both.  But, when I power up the copter the A & C LEDs (Gyro Calibration and GPS Lock) keep flashing in the alternation manner and never go solid.  I even to…