Rearrange summary bar code to consolidate Ajax and IFrame, and /home and /console

Now, Ajax will be used first, and will fall back to IFrame if JS is disabled,
and a separate page if on a text or mobile browser.
Also, /home and /console (and everywhere) now all have the same summary bar
content, which currently defaults to the original full listing.

apps/routerconsole/java/src/net/i2p/router/web/NewsHelper.java

@@ -18,12 +18,6 @@ public class NewsHelper extends ContentHelper {
         return super.getContent();
     }
 
-    /** @since 0.9.1 */
-    public String getNewsHeadings() {
-        SummaryBarRenderer renderer = new SummaryBarRenderer(_context, this);
-        return renderer.renderNewsHeadingsHTML();
-    }
-
     /** @since 0.8.12 */
     public boolean shouldShowNews() {
         return NewsFetcher.getInstance(_context).shouldShowNews();