Removed shell code from RTx Controller, switched to polling ADC Conv Done. Separated receive functions to separate threads.
Fixed merge conflict.
Added rtx_utils to Makefile.
Continued cleaning of e407_serial
Retabbed e407-serial
Moved debug test from servo_control to host_fc/servo_test
Merged servo_control and psas_packet into main.c

It's very ugly right now, I didn't do any attept at cleanup. That's
coming later.
Moved BQ3060 fault register readers to the timer callback
Changed PWM timer from VT to event driven

This means we no longer need to stay with I-Class functions in set_pwm_position
Moved error socket write to pwn callback
Made pwm checks driven by pwm period
Retabbed flight-servo
Added proper error returns to flight-servo
Added preprocessor conditional to turn off dev checks in flight-servo
Added RCI Version command to flight-servo
Added ADIS self test function and included test in ADIS project.
Changed function to handle ASCII from RCI.
Added disable and enable channel to adis_self_test function.
Merge branch 'master' of github.com:psas/stm32 into gps_spi
Update max2769 configuration function to use register position names