added comments
Merge branch 'calib_test' of https://github.com/KITrokopter/Control-Application into calib_test
Merge branch 'calib_test' of https://github.com/KITrokopter/Control-Application into calib_test
Merge branch 'calib_test' of https://github.com/KITrokopter/Control-Application into calib_test
Merge branch 'calib_test' of https://github.com/KITrokopter/Control-Application into calib_test
testing
Merge branch 'calib_test' of https://github.com/KITrokopter/Control-Application into calib_test
testing