Update to SLF4j 1.7.7

James Moger

2014-07-02 21df0daeacdbc6fedab788f745d3525d342bd7a8

 src/main/java/com/gitblit/wicket/ExternalImage.java

@@ -27,6 +27,7 @@
      super(id, new Model<String>(url));

   }



   @Override

   protected void onComponentTag(ComponentTag tag) {

      super.onComponentTag(tag);

      checkComponentTag(tag, "img");