Bug 153933 [Dialogs] [RCP] Dialog.DLG_IMG_HELP not available in RCP apps
bundles/org.eclipse.ui.ide.application/src/org/eclipse/ui/internal/ide/application/IDEWorkbenchAdvisor.java
String perspectiveId = null;
		AboutInfo[] welcomeInfos = getWelcomePerspectiveInfos();
		if (index >= 0 && welcomeInfos != null && index < welcomeInfos.length) {
			perspectiveId = welcomeInfos[index].getWelcomePerspectiveId();
		}
		if (perspectiveId == null) {
			perspectiveId = IDE.RESOURCE_PERSPECTIVE_ID;
		}
		return perspectiveId;
	}
	/**
	 * Returns the map of versioned feature ids -> info object for all installed
	 * features. The format of the versioned feature id (the key of the map) is
	 * featureId + ":" + versionId.
	 * 
	 * @return map of versioned feature ids -> info object (key type:
	 *         <code>String</code>, value type: <code>AboutInfo</code>)
	 * @since 3.0
	 */
	private Map computeBundleGroupMap() {
		
		Map ids = new TreeMap();
		IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
		for (int i = 0; i < providers.length; ++i) {
			IBundleGroup[] groups = providers[i].getBundleGroups();
			for (int j = 0; j < groups.length; ++j) {
				IBundleGroup group = groups[j];
				AboutInfo info = new AboutInfo(group);
				String version = info.getVersionId();
				version = version == null ? "0.0.0"