Revert "stop string compare on any control character (ACSII <31)"

This reverts commit 0e202b6cd6a6d934f7af4216091f5a9c87f6d70f.
Revert "FLARM Task declaration waypoint name limit to 5 characters which grants 10 waypoints at least"

This reverts commit 22367b5a46f45f4d185d5e70a85c02fa55aa13e9.
Rename FLARM declaration waypoints to P00 / Pxx to allow more turnpoints sent to device