Bug 114962 [Decorators] Remove DecoratorUpdateListener class from IDE plug-in
DecoratorUpdateListener class should be removed as it is just experimental in 3.2 (see org.eclipse.ui.ide plugin)
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
ImageDescriptor newImage = IDEInternalWorkbenchImages
                .getImageDescriptor(IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC);
        service.registerIconForFamily(newImage,
                ResourcesPlugin.FAMILY_MANUAL_BUILD);
        service.registerIconForFamily(newImage,
                ResourcesPlugin.FAMILY_AUTO_BUILD);
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.ui.application.WorkbenchAdvisor#postStartup()
     */
    public void postStartup() {
        try {
            refreshFromLocal();
            checkUpdates();
            DecoratorUpdateListener.startUp();
        } finally {
            Platform.getJobManager().resume();
        }
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.application.WorkbenchAdvisor#postShutdown
     */
    public void postShutdown() {
        if (activityHelper != null) {
            activityHelper.shutdown();
            activityHelper = null;
        }
        if (idleHelper != null) {
        	idleHelper.shutdown();