- fixed DblSided Tool so it correctly creates the Alignment Drills Excellon file using the new structure
- fixed DblSided Tool so it will not crash the app if the user tries to make a mirror using no coordinates
- added some relevant status bar messages in DblSided Tool
- fixed DblSided Tool to correctly use the Box object (until now it used as reference only Gerber object in spite of Excellon or Geometry objects being available)
- fixed DblSided Tool crash when trying to create Alignment Drills object without a Tool diameter specified