Invalid kerberos patches, works now and with a test.

Fabrice Bacchella

2015-05-25 e97c01c140841667b1fa50a9ffa41bb60952e4ec

 src/main/java/com/gitblit/manager/GitblitManager.java

@@ -662,6 +662,11 @@
   }

   @Override
   public UserModel authenticate(String username) {
      return authenticationManager.authenticate(username);
   }

   @Override
   public UserModel authenticate(HttpServletRequest httpRequest, boolean requiresCertificate) {
      UserModel user = authenticationManager.authenticate(httpRequest, requiresCertificate);
      if (user == null) {