Continue migrating features to new layout

- Create toolbar for printer
- Migrate ActionBarPlus code to new toolbar
- Migrate printer specific actions from Options to new toolbar
- Consolidate and reuse theme factory instances
- Restore F1 reporting of unnamed widgets, useful for finding types

PartPreviewWindow/ViewGcodeBasic.cs

@@ -309,6 +309,7 @@ namespace MatterHackers.MatterControl.PartPreviewWindow
 			};
 
 			viewControls3D = new ViewControls3D(meshViewerWidget);
+			viewControls3D.Margin = new BorderDouble(0, 0, 0, 40);
 			viewControls3D.PartSelectVisible = false;
 			AddChild(viewControls3D);