Merge pull request #27 from Kenny9999/master

adjustment for rc channel detection. wotking :) it seem
Merge pull request #28 from Kenny9999/master

Make rc calibration work
Merge pull request #29 from Kenny9999/master

Little refactoring
Changed RC calibration page and RC channel selection
Merge pull request #30 from LithiumNL/master

Changed RC calibration page and RC channel selection
little fix