Add double wind speed display (in current unit + beaufort) in the main dialog
Merge remote-tracking branch 'upstream1/master'
Improve grib dialog controls display (mainly for Linux)

Increase slightly the CTRL lenght to allow all values to be readable.
Set a fixed font size to ovoid large system font size ( text larger than
CTRL space ) .
Merge pull request #83 from Ptizef/master

Add double wind speed display (in current unit + beaufort) in the main d...