PartDesign changes

* Mostly for supporting in-place editing

* Add new SubShapeBinder that support cross coordinate system,
  external, and sub-object binding

src/Mod/PartDesign/Gui/Workbench.cpp

@@ -480,6 +480,7 @@ Gui::MenuItem* Workbench::setupMenuBar() const
           << "PartDesign_Plane"
           << "PartDesign_CoordinateSystem"
           << "PartDesign_ShapeBinder"
+          << "PartDesign_SubShapeBinder"
           << "PartDesign_Clone"
           << "Separator"
           << "PartDesign_Pad"
@@ -546,6 +547,7 @@ Gui::ToolBarItem* Workbench::setupToolBars() const
           << "PartDesign_Plane"
           << "PartDesign_CoordinateSystem"
           << "PartDesign_ShapeBinder"
+          << "PartDesign_SubShapeBinder"
           << "PartDesign_Clone";
 
     part = new Gui::ToolBarItem(root);