CoordSystem → Curve Relation

File in CoordSystem	Includes file in Curve
CoordSystem.cpp	Curve.h
CoordSystem.cpp	CurvesGraphs.h
CoordSystem.cpp	CurveStyles.h
CoordSystem.h	CurvesGraphs.h
CoordSystem.h	CurveStyles.h
CoordSystemInterface.h	CurveStyles.h