Support for adding bottom scripts

Tom

2014-11-12 bae957cd80e59f16fe011dda45ce2624e2ffd4d2

 src/main/java/com/gitblit/wicket/panels/MarkdownTextArea.java

@@ -70,7 +70,8 @@
         return;
      }
      String html = MarkdownUtils.transformGFM(GitBlitWebApp.get().settings(), text, repositoryName);
      previewModel.setObject(html);
      String safeHtml = GitBlitWebApp.get().xssFilter().relaxed(html);
      previewModel.setObject(safeHtml);
   }

   public String getText() {