Firmware changelog: Rotator controller with STM32

FW 5.03 - 9.8.2020
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- Fix: Elevation text (2x20 chars LCD)
- Fix: Sensor disable possibility


FW 5.02 - 28.6.2020
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- Experimental: Azimuth range > 360° possibility


FW 5.01 - 27.6.2020
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- HH12 converter support


FW 5.00 - 31.1.2020
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- High resolution support
- Autonomous EME tracking
- Added azimuth range option
- Added elevation minimum option
- Added motor reverse protection
- Added Service mode
- Different motor protection
- GS-232 emulation (added C2 instruction)


FW 4.03b2 - 24.1.2020
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- FIX: I2C display & settings issue


FW 4.03b1 - 15.5.2019
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- FIX: low resolution rounding issue
- UART handling improvements
- TCP connection processing rework


FW 4.02 - 4.3.2018
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- Added I2C display support (temporary font and text placing)


FW 4.01 - 20.1.2018
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- Initial firmware