Definitions for our new accelerometer

It doesn’t work
Merge branch 'master' of https://github.com/NVSL/Quadcopters
Started my version of the quadcopter board
Forgot to commit any of this earlier

I used the new IMU chip on this one
Merge branch 'master' of https://github.com/NVSL/Quadcopters
Routed most of VBAT, GND, and 3.3V
Routing...
Routing is almost there...
Board all routed