Bug 53839 new search: remember the sort options
I20040302 the group-by capabilties and the buttons are great. So good that I would want the group-by setting to be remembered across sessions.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/JavaPlugin.java
JFaceResources.getFontRegistry().removeListener(fFontPropertyChangeListener);
		getPreferenceStore().removePropertyChangeListener(fPropertyChangeListener);
	}
	/* (non - Javadoc)
	 * Method declared in AbstractUIPlugin
	 */
	protected ImageRegistry createImageRegistry() {
		return JavaPluginImages.getImageRegistry();
	}
	/* (non - Javadoc)
	 * Method declared in Plugin
	 */
	public void shutdown() throws CoreException {
		
		AllTypesCache.terminate();
		if (fImageDescriptorRegistry != null)
			fImageDescriptorRegistry.dispose();
		
		unregisterAdapters();
		
		super.shutdown();
		
		if (fWorkingCopyManager != null) {
			fWorkingCopyManager.shutdown();
			fWorkingCopyManager= null;
		}
		
		if (fCompilationUnitDocumentProvider != null) {
			fCompilationUnitDocumentProvider.shutdown();
			fCompilationUnitDocumentProvider= null;