0028880: Modeling Algorithms - add missing BRepFeat_SplitShape::Right() getter

- Added Right() method to BRepFeat_SplitShape;
- Added an option in command buc60854, which allows to select Left() or Right() method;
- Modified method BUC60854 in QABugs_14.cxx;
- Added new option to the help of command buc60854;
- Modified test case buc60854. Now its state is "OK";
- Added check Right() in buc60854 test case.

src/BRepFeat/BRepFeat_SplitShape.hxx

@@ -105,6 +105,9 @@ public:
   //! Raises NotDone if IsDone returns <Standard_False>.
   Standard_EXPORT const TopTools_ListOfShape& Left() const;
   
+  //! Returns the faces of the "right" part on the shape.
+  Standard_EXPORT const TopTools_ListOfShape& Right() const;
+  
   //! Builds the cut and the resulting faces and edges as well.
   Standard_EXPORT void Build() Standard_OVERRIDE;
   
@@ -130,6 +133,8 @@ private:
   LocOpe_Spliter mySShape;
   Handle(LocOpe_WiresOnShape) myWOnShape;
 
+  mutable TopTools_ListOfShape myRight;
+
 
 };