Corrected channel index when calibrating swashplate
+review OPReview-496
Performed uncrustify
Corrected statement order
OP-965: More tweaks to the heli config swashplate levelling routine in GCS as the results of review comments.

+review OPReview-496
Merge branch 'next' into glenneaux/OP-965_GCSSwashConfig_Channel_Assignment
Merge remote-tracking branch 'origin/next' into thread/OP-991_Remove_Erase_Menu