fix spotted unit numbers
fix 923
no points for live recovery without a containment
DebriefingState: if no Containment, add killStat

Merge branch 'master' of https://github.com/SupSuper/OpenXcom into oXc_kL
Conflicts:
	src/Battlescape/BattlescapeState.cpp
	src/Battlescape/DebriefingState.cpp
	src/Battlescape/ProjectileFlyBState.cpp
	src/Engine/CrossPlatform.cpp