some cleaning
start on roll/pitch
Merge remote-tracking branch 'origin/master' into stabilize
calculateAxisDiff

used for roll and pitch.
Merge remote-tracking branch 'origin/master' into stabilize
same old
still on plane-calculation
Merge remote-tracking branch 'origin/master' into stabilize
minor corrections
timediff
Preparing for a start-routine
compiling
Merge branch 'stabilize'