Dev/jwolski/mma8653 fc

Removed old accel_server and replaced with new python accel module and edited the setup script to install it.
Split this file into 2 sections - one for C functions that don't use the Python API, and a second for Python Wrappers.  This will limit the amount of verbose code that the Python interface forces you to do.

For an example, see Jon's led_driver.c