Send IGC Track Log :
 fix possible crash and add some diagnostic in runtime.log
added BUGS and BALLST to Borgelt driver
Sending BUGS, BALLAST and MC using the CAI302 funtions according to the Borgelt documentation
now using CheckSetBugs and CheckSetBallast
fixed showing the bearing in Taskoverview
Add More diagnostic for "send IGC Track log"
Calculate wind using EKF when IAS is available.
Original code from John Wharington.
Remove unused WindKalman include.
Old windzigzag used when new wind not chosen as option.
Note that windzigzag was working only when IAS available, too.
Fix compiler warning in LKFlarm when OWN_TRACE undefined
Call zigzag from Heading only when IAS is available
Merge branch 'bt' of git://github.com/brunotl/LK8000 into ulli
Merge branch 'feature/Borgelt_fixes' of git://github.com/AlphaLima/LK8000 into ulli
Merge branch 'TaskEditorFix' of git://github.com/AlphaLima/LK8000 into ulli
Update credits
Set Wind values in Heading only. Do not use quality parameter for SetWindEstimate