Merge branch 'enhance/remote-message-for-git-auth-failure' of dlab/hive

from pull-request 1339

* refs/heads/enhance/remote-message-for-git-auth-failure:
  Git: Show remote message for authentication failure

Reviewed-by: 김창근 <changgun.kim@nhn.com>

app/utils/BasicAuthAction.java

@@ -42,7 +42,7 @@ public static Result unauthorized(Response response) {
 
         String challenge = "Basic realm=\"" + REALM + "\"";
         response.setHeader(Http.HeaderNames.WWW_AUTHENTICATE, challenge);
-        return unauthorized();
+        return unauthorized("Invalid username or password");
     }
 
     public static User parseCredentials(String credentials) throws MalformedCredentialsException, UnsupportedEncodingException {