smoke inhalation by ruleset
haha derp
fix up occasional weird error message with TU reserve
Frame: fix 'color'.
BattlescapeGame: tweak/fix no-proximities-behind doors & walls.

BattlescapeState: no console if mouseOverIcons==true
	- change default to ON
RNG: varname change, div to diff.
SavedBattleGame: varnames & casts, formatting & factoring.
Tile: tidy and factor prepareNewTurn()

Merge branch 'master' of https://github.com/SupSuper/OpenXcom into oXc_kL
Conflicts:
	bin/data/Ruleset/Xcom1Ruleset.rul
	src/Battlescape/BattlescapeGame.cpp
	src/Savegame/Tile.cpp