Make the feed pager respond to events, block notifications.

briar-android/src/org/briarproject/android/blogs/FeedPostPagerFragment.java

@@ -40,6 +40,18 @@ public class FeedPostPagerFragment extends BasePostPagerFragment {
 		return TAG;
 	}
 
+	@Override
+	public void onStart() {
+		super.onStart();
+		feedController.onStart();
+	}
+
+	@Override
+	public void onStop() {
+		super.onStop();
+		feedController.onStop();
+	}
+
 	@Override
 	void loadBlogPosts(final MessageId select) {
 		feedController.loadBlogPosts(