Added Daikin FTXG*EV1BS codes (#522)

- Tested against FTXG25EV1BS and FTXG35EV1BS
- The temperature 31 and 32 of Heat and Auto modes are the same as 30. Haven't added temperatures under 18 (the remote command allows to set temperature down to 16)
- When exiting from Powerful Fan mode the split will goes to the Auto Fan mode
- Temperature for Dry and Fan modes is not relevant
- Fan speed levels from 1 to 5 for Dry mode is not relevant