Applied changes according to code review comments.

Eddy Young

2015-05-23 c33ac10581d3ef2c7ec9de4122bd4876ec5db6e9

 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);