0024002: Overall code and build procedure refactoring -- automatic

Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack

src/BRepClass/BRepClass_FaceExplorer.cxx

@@ -17,11 +17,15 @@
 //  Modified by skv - Thu Jul 13 17:42:58 2006 OCC12627
 //  Total rewriting of the method Segment; add the method OtherSegment.
 
-#include <BRepClass_FaceExplorer.ixx>
-#include <Precision.hxx>
-#include <Geom2d_Curve.hxx>
-#include <TopoDS.hxx>
 #include <BRep_Tool.hxx>
+#include <BRepClass_Edge.hxx>
+#include <BRepClass_FaceExplorer.hxx>
+#include <Geom2d_Curve.hxx>
+#include <gp_Lin2d.hxx>
+#include <gp_Pnt2d.hxx>
+#include <Precision.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Face.hxx>
 
 static const Standard_Real Probing_Start = 0.123;
 static const Standard_Real Probing_End = 0.7;