Bug 56166 Defaults for M8
Need to be multiple tabs for editors Traditional Look
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/IDEWorkbenchAdvisor.java
if (feature != null) {
						String pi = feature.getFeaturePluginIdentifier();
						if (pi != null) {
							Platform.getPlugin(pi);
						}
					}
				}
			}
	
			int wCount = getWorkbenchConfigurer().getWorkbench().getWorkbenchWindowCount();
			for (int i = 0; i < welcomeFeatures.size(); i++) {
				AboutInfo newInfo = (AboutInfo) welcomeFeatures.get(i);
				String id = newInfo.getWelcomePerspectiveId();
				
				if (id == null || i >= wCount) {
					openWelcomeEditor(window, new WelcomeEditorInput(newInfo), id);
				}
			}
		}
	}
	
	/**
	 * Returns the set of versioned feature ids of all installed features.
	 * The format of the ids are featureId + ":" + versionId.
	 * The feature set excludes features that do not have their own
	 * feature plug-in.
	 * 
	 * @return set of versioned feature ids (element type: <code>String</code>)
	 * @since 3.0
	 */