code: @Override
      public void onComponentTag(final Component _component,
                                 final ComponentTag _tag)
      {
          super.onComponentTag(_component, _tag);
          _tag.put("data-dojo-type", "dijit/layout/BorderContainer");
          _tag.append("data-dojo-props", "design: '" + this.design.key + "'", ",");
          _tag.append("class", "tundra eFapsBorderContainer", " ");
      }
docs: The tag of the related component must be set, so that a dojo
  BorderContainer will be rendered.
  
  @param _component component this Behavior belongs to
  @param _tag Tag to write to