Rename Expansion folder
Merge tag 'RenameExpansionFolder' into RED_Fix
Civilization 5 CvGameCoreSource 1.0.3.18
Merge branch 'master' into RED_Fix

Conflicts:
	CvGameCoreDLL/CvDllContext.cpp
	CvGameCoreDLL/CvWorldBuilderMapLoader.cpp
	CvGameCoreDLL_Expansion1/CvDllContext.cpp
No more need for the 255 unit limit fix with WB maps.