J3Cub: Temporarily disable persistent position feature, misc tuning.
Tune up the Autopilot
Fix paths, from Waldo KITTY
UFO and helicopters allowed
fixed bugs in 'main.nas
GPLv2+\n'init.nas' and 'spoken_atc.nas' deleted.
J3Cub: ITGA Update through August 29, 2017.
SG38: Fix soundpaths
ASW28: Remove useless dual control script
Ka6: Fixes
