0020139: EDF 944 SMESH : Get 2D/3D element with X, Y, Z coordinates

0020139: EDF 944 SMESH : Get 2D/3D element with X, Y, Z coordinates
1) merge with V5_1_main
2)
 struct SMESH_NodeSearcher
 {
   virtual const SMDS_MeshNode* FindClosestTo( const gp_Pnt& pnt ) = 0;
+  virtual void MoveNode( const SMDS_MeshNode* node, const gp_Pnt& toPnt ) = 0;
 };

+//=======================================================================
+/*!
+ * \brief Return elements of given type where the given point is IN or ON.
+ *
+ * 'ALL' type means elements of any type excluding nodes and 0D elements
+ */
+//=======================================================================
+
+struct SMESH_ElementSearcher
+{
+  virtual void FindElementsByPoint(const gp_Pnt&                           point,
+                                   SMDSAbs_ElementType                     type,
+                                   std::vector< const SMDS_MeshElement* >& foundNodes)=0;
+};