Lower log level of servlet authenticate when request is already authenticated

Dariusz Bywalec

2016-01-04 db09ef1033ce4942ac1eb3cb684f232bf7e5e231

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

@@ -24,6 +24,7 @@
    *
    * @param username
    * @return true if the specified username represents an internal account
     * @since 1.4.0
    */
   boolean isInternalAccount(String username);