(CC) Remove unused xml
	deleted:    ../Data/Dialogs/dlgAirspaceWarning.xml
	deleted:    ../Data/Dialogs/dlgAirspaceWarning_L.xml
	modified:   lk8000.rc
Airspace warning window has no more the Analysis button, useless because of Multimap M3 existing now.
	modified:   ../Data/Dialogs/dlgLKAirspaceWarning.xml
	modified:   ../Data/Dialogs/dlgLKAirspaceWarning_L.xml
	modified:   Dialogs/dlgLKAirspaceWarning.cpp
New sound for Airspace warning, no voice and shorter, with high pitch.
Four new sounds available, flangered, derived from BEEP9.
	modified:   ../Distribution/LK8000/_System/_Sounds/LK_AIRSPACE.WAV
	renamed:    ../Distribution/LK8000/_System/_Sounds/LK_AIRSPACE.WAV -> ../Distribution/LK8000/_System/_Sounds/LK_AIRSPACEV3.WAV
	new file:   ../Distribution/LK8000/_System/_Sounds/LK_ALERT_DOUBLE2.WAV
	new file:   ../Distribution/LK8000/_System/_Sounds/LK_ALERT_SHORT.WAV
	new file:   ../Distribution/LK8000/_System/_Sounds/LK_ALERT_SKULLED.WAV
	new file:   ../Distribution/LK8000/_System/_Sounds/LK_ALERT_WARPED.WAV
Fix TRACETHREAD missing include in Thread_Draw
	modified:   Thread_Draw.cpp