Bug 33216 Source actions in context menu on types inconsistency
1) select a type in the package explorer 2) bring up the context menu ->the source actions are shown in-line and the menu is huge. Given that we show a source submenu in other parts (e.g. the editor) and do the same for the refactoring actions we should also move the source actions into a submenu.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingPart.java
menuManager.addMenuListener(this);
		Menu contextMenu= menuManager.createContextMenu(fViewer.getControl());
		fViewer.getControl().setMenu(contextMenu);
		getSite().registerContextMenu(menuManager, fViewer);
	}
	protected void initDragAndDrop() {
		int ops= DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
		Transfer[] transfers= new Transfer[] {
			LocalSelectionTransfer.getInstance(), 
			ResourceTransfer.getInstance()};
		
		
		TransferDropTargetListener[] dropListeners= new TransferDropTargetListener[] {
			new SelectionTransferDropAdapter(fViewer)
		};
		fViewer.addDropSupport(ops | DND.DROP_DEFAULT, transfers, new DelegatingDropAdapter(dropListeners));
		
		
		Control control= fViewer.getControl();
		TransferDragSourceListener[] dragListeners= new TransferDragSourceListener[] {
			new SelectionTransferDragAdapter(fViewer),
			new ResourceTransferDragAdapter(fViewer)
		};
		DragSource source= new DragSource(control, ops);
		
		source.addDragListener(new DelegatingDragAdapter(dragListeners) {
			public void dragStart(DragSourceEvent event) {
				IStructuredSelection selection= (IStructuredSelection)getSelectionProvider().getSelection();
				for (Iterator iter= selection.iterator(); iter.hasNext(); ) {
					if (iter.next() instanceof IMember) {