Merge "Scroll down to show some new categories when they turn up"

Author: Brion VIBBER

commons/src/main/java/org/wikimedia/commons/CategorizationFragment.java

@@ -126,6 +126,8 @@ protected void onPostExecute(ArrayList<String> categories) {
                     categoriesNotFoundView.setText(getString(R.string.categories_not_found, filter));
                     categoriesNotFoundView.setVisibility(View.VISIBLE);
                 }
+            } else {
+                categoriesList.smoothScrollToPosition(existingKeys.size());
             }
         }