message: More descriptive name for indicating of non owned integrators in BilinearForm
diff: @@ -532,7 +532,7 @@ public:
  void SetDiagonalPolicy(DiagonalPolicy policy);
  /// Indicate that integrators are not owned by the BilinearForm
  - void SetExternBFS(int e = 1) { extern_bfs = e; };
  + void UseExternalIntegrators() { extern_bfs = 1; };
  /// Destroys bilinear form.
  virtual ~BilinearForm();
  