lpcmanager

Increased num of modbus regs from 511 to 512 and removed init of modbus baud-rate and parity which is now done from Composer.
mbmrtu_cleanup();
rt_task_delete(&RTU_UART_task);
rt_task_join(&RTU_UART_task);
rt_task_delete(&RTU_task);
rt_task_join(&RTU_task);
rt_mutex_delete(&RTU_BuffMutex);
gpio_close(RTU_GPIO_dev);