MDL-8922: Had to modify another bunch of files to fix a simple problem:

when a config block contains a form, the previous form needs to be closed
properly (it was, but there were non-matching closing divs etc...).

blocks/rss_client/block_rss_client.php

@@ -235,7 +235,7 @@
 
                 $item['link'] = str_replace('&', '&', $item['link']);
 
-                $returnstring .= '<li><div class="link"><a href="'. $item['link'] .'" target="_blank">'. $item['title'] . "</a></div>\n";
+                $returnstring .= '<li><div class="link"><a href="'. $item['link'] .'">'. $item['title'] . "</a></div>\n";
 
                 if ($display_description && !empty($item['description'])) {
                     $item['description'] = break_up_long_words($item['description'], 30);
@@ -285,4 +285,4 @@
      }
 }
 
-?>
+?>