prevent session fixation for external authentication

Joel Johnson

2015-06-26 62e0259129fa7147a3899244569c05f4e7fd3b7c

 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) {