- made the coordinates / delta coordinates / grid toolbar / actions toolbar visibility an option, controlled from the infobar (Status bar) context menu. How it's at app shutdown it's restored at the next application start

defaults.py

@@ -29,6 +29,12 @@ class FlatCAMDefaults:
         "global_serial": 0,
         "global_stats": dict(),
         "global_tabs_detachable": True,
+
+        "global_coords_show": True,
+        "global_delta_coords_show": False,
+        "global_grid_show": True,
+        "global_status_show": True,
+
         "global_jump_ref": 'abs',
         "global_locate_pt": 'bl',