open fresh feed by default when starting up

org.fox.ttrss/src/main/java/org/fox/ttrss/FeedsActivity.java

@@ -138,6 +138,11 @@ public class FeedsActivity extends OnlineActivity implements HeadlinesEventListe
 				ft.replace(R.id.feeds_fragment, new FeedsFragment(), FRAG_FEEDS);
 			}
 
+            HeadlinesFragment hf = new HeadlinesFragment();
+            hf.initialize(new Feed(-3, getString(R.string.fresh_articles), false));
+
+            ft.replace(R.id.headlines_fragment, hf, FRAG_HEADLINES);
+
 			ft.commit();
 				
 			AppRater.appLaunched(this);

org.fox.ttrss/src/main/res/values/strings.xml

@@ -248,5 +248,6 @@
     <string name="headlines_sort_oldest_first">Oldest first</string>
     <string name="headlines_sort_title">Title</string>
     <string name="headlines_sort_articles_title">Sort articles</string>
+    <string name="fresh_articles">Fresh articles</string>
 
 </resources>