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
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" 
                        : new PluginVersionIdentifier(version).toString();
                String versionedFeature = group.getIdentifier() + ":" + version; 
                ids.put(versionedFeature, info);
            }
        }
        return ids;
    }
    /**
     * Returns the ordered map of versioned feature ids -> AboutInfo that are
     * new for this session.
     * 
     * @return ordered map of versioned feature ids (key type:
     *         <code>String</code>) -> infos (value type:
     *         <code>AboutInfo</code>).
     */
    public Map getNewlyAddedBundleGroups() {
        if (newlyAddedBundleGroups == null)
            newlyAddedBundleGroups = createNewBundleGroupsMap();
        return newlyAddedBundleGroups;
    }
    /**
     * Updates the old features setting and returns a map of new features.
     */
    private Map createNewBundleGroupsMap() {