v0.57 torque mod v. 3

Faster response, just a bit more efficiency. Changed rotor offset angle to 9 as the previous value of 8 led to somewhat lower efficiency at high RPM.
Fully compatible with v0.8.0 display FW. Boost function is not used.

Torque-mode mod of v0.57 firmware

Torque-control mod for v0.57 firmware. Motor type selection now works from settings, so no need for separate firmware builds for different motor types.

• Current ramp made quicker
• PWM ramp-up made a bit quicker
• Only torque used for motor current calculation
  NOTE: torque sensor calibration highly advised for using this firmware

Torque mod of v0.57.2 firmware

Almost fixed jerks caused by introduction of coaster brake support. They're still present, but became much gentler.
Reduced lag and made motor more responsive at low RPM.
Adjusted motor to produce more torque at low-end by sacrificing torque at very high RPM. Cadence is now limited by 100 RPM.

v0.56 experimental

This is an experimental modification that enables high-RPM assist and torque-only drive.
Changes to the original firmware:

• Only pedal torque used for calculation of motor current
• Startup boost disabled and removed from the code
• Current ramp made more aggressive (3 times faster than menu setting)
• Fixed crawling issue. Fixed startup without pedalling.