Bug 154100 Platform level proxy settings
There are at least three proxy settings pages in Callisto. We will work with the Eclipse community to make sure that the core capabilities from these pages are made available at the Platform level, as a single settings page that can be consumed by all. [Runtime, Team, Update, UI]
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"