0020832: EDF 1359 SMESH : Automatic meshing of boundary layers

0020832: EDF 1359 SMESH : Automatic meshing of boundary layers

+   * interface of "Viscous Layers" hypothesis.
+   * This hypothesis specifies parameters of layers of prisms to build
+   * near mesh boundary. This hypothesis can be used by several 3D algorithms:
+   * NETGEN 3D, GHS3D, Hexahedron(i,j,k)
+   */
+  interface StdMeshers_ViscousLayers : SMESH::SMESH_Hypothesis