fixing and testing mt12232 driver
card-terminal: test firmware and usart driver improvements
card-terminal: added usb2lcd firmware
usb2lcd: minor fixes
card-terminal: test-keypad firmware
card-terminal: test firmware fixing
net-terminal: fixing keypad driver
combo-controller: reworking CAN support
added bootloader-stk500v1 (not working)
plc-3u-b: initial firmware
combo-controller: migrating to UCAN - interim drop
improved usart driver
webserver: added dhcpc support
plc-3u-b/webserver: added 1-wire support for DS18B20, FAT16 changed to FAT12
plc-3u-b/test: enhancements