PAL16842 (Genertion of groups when a mesh is transformed)

PAL16842 (Genertion of groups when a mesh is transformed)
+  /*!
+   * \brief Create groups of elements made during transformation
+   * \param nodeGens - nodes making corresponding myLastCreatedNodes
+   * \param elemGens - elements making corresponding myLastCreatedElems
+   * \param postfix - to append to names of new groups
+   */
+  PGroupIDs generateGroups(const SMESH_SequenceOfElemPtr& nodeGens,
+                           const SMESH_SequenceOfElemPtr& elemGens,
+                           const std::string&             postfix);