Add ScriptDev and some code

EnchantNPC etc...
Descent crossfactionbg implementation

Signed-off-by: LilleCarl <lillecarl@gmail.com>
Merge branch 'xbg_merge'

Conflicts:
	src/game/Custom.cpp
	src/game/Custom.h
	src/game/Player.cpp
	src/game/Player.h
	src/game/World.cpp
	src/game/World.h