Fixed problem that PagesServlet couldn't provide index.htm and index.mkd.

Yuhi Ishikura

2013-06-02 1dcfd2e983489e3f6c318e1d30ae59c925349fbc

 src/main/java/com/gitblit/PagesServlet.java

@@ -149,8 +149,11 @@
            // find resource

            String[] files = { "index.html", "index.htm", "index.mkd" };

            for (String file : files) {

               content = JGitUtils.getStringContent(r, tree, file, encodings)

                     .getBytes(Constants.ENCODING);

               String stringContent = JGitUtils.getStringContent(r, tree, file, encodings);

               if(stringContent == null){

                  continue;

               }

               content = stringContent.getBytes(Constants.ENCODING);

               if (content != null) {

                  resource = file;

                  // assume text/html unless the servlet container