Release 0.3.0 - community bugs and add power infos

Release content

1. In inversion mode (for wire pilot), the heating indicator is inversed - #9 (thanks to @nicocha),
2. In Manual mode no preset should be selected - #8 (thanks to @KrISS),
3. Add power, percent of power, valve_open_percent indicators - #7,
4. Window and presence indicator overlaps sometimes - #6 (thanks to @Idaho947),
5. Add option to disable the name field [feature request] - #5 (thanks to @mleiber),
6. Bug over powering - #3 (thanks to @gael1980)