New IfcGeomObjects setting to force alignment of TopoDS_Face normal to CCW orientation

Removed static Ifc class, renamed to non-static IfcFile. IfcFile renamed to IfcSpfStream
Introduced Logger class

src/ifcgeom/IfcRegisterConvertShapes.h

@@ -4,7 +4,7 @@
 		try { \
 			return IfcGeom::convert((T*)l,r); \
 		} catch (...) { } \
-		Ifc::LogMessage("Error","Failed to convert:",l->entity); \
+		Logger::Message(Logger::LOG_ERROR,"Failed to convert:",l->entity); \
 		return false; \
 	}
 #include "IfcRegisterDef.h"