Translated using Weblate (Czech)

Currently translated at 100.0% (85 of 85 strings)
rename enum NavigationMode to Mode and mMode to mNavigationMode, issue #157
add OrientationMode, issue #157
use OrientationMode, issue #157
set OrientationMode and Azimuth when sensor is accurate, issue #157
cleanup unused code, issue #157
put new feature in correct version, issue #16
display compass rose when orientation is accurate, close #157
Translated using Weblate (Belarusian)

Currently translated at 95.2% (81 of 85 strings)
Translated using Weblate (Czech)

Currently translated at 100.0% (85 of 85 strings)
Merge remote-tracking branch 'origin/master'
remove extra translation
fix plurals and newlines
fix plurals
Merge branch 'master' into coverity_scan