headlines: animate images, add vertical scrollbar

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

@@ -1191,7 +1191,6 @@ public class HeadlinesFragment extends Fragment {
 
 						Glide.with(HeadlinesFragment.this)
 								.load(article.flavorImageUri)
-								//.dontAnimate()
 								.dontTransform()
 								.diskCacheStrategy(DiskCacheStrategy.ALL)
 								.skipMemoryCache(false)
@@ -1507,7 +1506,6 @@ public class HeadlinesFragment extends Fragment {
 							.load(article.flavorImageUri)
 							.placeholder(textDrawable)
 							.bitmapTransform(new CropCircleTransformation(getActivity()))
-							.dontAnimate()
 							.diskCacheStrategy(DiskCacheStrategy.ALL)
 							.skipMemoryCache(false)
 							.listener(new RequestListener<String, GlideDrawable>() {

org.fox.ttrss/src/main/res/layout/fragment_headlines.xml

@@ -14,6 +14,7 @@
 	   <org.fox.ttrss.util.ContextMenuRecyclerView
 	       android:id="@+id/headlines_list"
            android:drawSelectorOnTop="true"
+		   android:scrollbars="vertical"
 	       android:layout_width="match_parent"
 	       android:layout_height="match_parent" />
 	</android.support.v4.widget.SwipeRefreshLayout>