core/scripts: importet Gunshipbattle based on wowrean

big thx for the work

Conflicts:
	src/server/game/Entities/Transport/Transport.cpp
	src/server/game/Entities/Transport/Transport.h
	src/server/game/Instances/InstanceSaveMgr.cpp
	src/server/game/Instances/InstanceScript.cpp
	src/server/game/Instances/InstanceScript.h
	src/server/game/Maps/Map.cpp
	src/server/game/Maps/Map.h
	src/server/game/Maps/MapManager.cpp
	src/server/game/Maps/MapManager.h
	src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel.h
	src/server/scripts/Northrend/IcecrownCitadel/icecrown_citadel_teleport.cpp
core/scripts: trying to fix compile
core/scripts: finally fixed compile errors
core/scripts: finally this is fucking me up. so on win7 it compiles. maybe thistime also on Unix xD
cor/scripts: forgot to push this changes
core/scripts: forgot to push sql for Gunship battle. also updated .gitignore file

Conflicts:
	.gitignore