Sketcher: Add diameter constraint to the menu and the toolbar
Sketcher: Add diameter constraint to the menu and the toolbar

fixes #1632

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master