Bug 198971 [CommonNavigator] Provide extension schema for setting help ID
I haven't been able to find a way to set the help ID for a view using the common resource navigator. It seems that having schema support for this would be the best way to handle this.
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/extensions/NavigatorViewerDescriptor.java
return contentBinding.isRootExtension(aContentExtensionId);
	}
	public boolean allowsPlatformContributionsToContextMenu() {
		return allowsPlatformContributions;
	}
	public boolean isVisibleContentExtension(String aContentExtensionId) {
		return contentBinding.isVisibleExtension(aContentExtensionId);
	}
	public boolean isVisibleActionExtension(String anActionExtensionId) {
		return actionBinding.isVisibleExtension(anActionExtensionId);
	}
	public boolean hasOverriddenRootExtensions() {
		return contentBinding.hasOverriddenRootExtensions();
	}
	public MenuInsertionPoint[] getCustomInsertionPoints() {
		return customInsertionPoints;
	}
	/**
	 * 
	 * @param newCustomInsertionPoints
	 *            The set of custom insertion points, if any. A null list
	 *            indicates the default set (as defined by
	 *            {@link NavigatorActionService}) should be used. An empty list
	 *            indicates there are no declarative insertion points.
	 */
	public void setCustomInsertionPoints(
			MenuInsertionPoint[] newCustomInsertionPoints) {
		if (customInsertionPoints != null) {
			NavigatorPlugin
					.logError(