Modbus: Исправил ошибку в расчете id регистров, приводившую к наложение регистров с разными функциями

- (mtr): fix bug for read from 'serial device'
- (UNet): added "undefined_value" property
- (SM): added undefined value for IOController
- (RTU): minor fixes (catch exceptions)
- (UNetUDP): check byte order
- (UNetUDP): encoding is not used if the byte order is the same as the system
- (ComPort485F): added error handling for read
- Добавил вывод на каком omni порте uniset2-start.sh будет запускать процессы
- (scripts): fix error in uniset2-start.sh
- (mbrtutest): added 'polltime' option eterbug #13154

eterbug #13154

- rebuild with libmariadb