STM32F3 - Disable PWM timeout monitoring on CH1 due to interrupt handler
loop.

CH2-CH8 still monitored.

See c0a349ed601f85e97f31501de6cb2d1cf451940b.
EUSTM32F103RC - First cut of support for this High-Density STM32F103
series development board.

These boards can be picked up for less than $11, coupled with a 10DOF
sensor board they make a great development platform or cheap expandable
FC.

Pretty much all pins are available to be used, unlike on the less
capable and more expensive OLIMEXINO.
Alternate layout for a 31-LED quad - disabled by default.
Add git commit number to cli version command output.