briefing stuff
tleth stuff
melee stuff
other stuff
missed some stuff
merge: breakout Briefing stuff to ruleset

Merge branch 'master' of https://github.com/SupSuper/OpenXcom into oXc_kL
Conflicts:
	bin/data/Ruleset/Xcom1Ruleset.rul
	src/Battlescape/AlienBAIState.cpp
	src/Battlescape/BattlescapeState.cpp
	src/Battlescape/BriefingState.cpp
	src/Battlescape/TileEngine.cpp
	src/Geoscape/ConfirmCydoniaState.cpp
	src/Menu/NewBattleState.cpp
	src/Ruleset/AlienDeployment.cpp
	src/Ruleset/AlienDeployment.h