GA: find automatically task dept and arrival airfields from WP list
Fixing indentation: 4 spaces iso tab
No need to lockcomm for eventPutBugs and ballast, already done by device functions
Fix getFinalWayPoint bug . When no task, returning -1, must be handled by calling funtions when needed.
Merge branch 'WPlookupAirfield' of https://github.com/alus-/LK8000