[FIXED JENKINS-14999] The authorization of builds are considered (when used with QueueItemAuthenticator). QueueItemAuthenticator is available from Jenkins 1.520.
[JENKINS-14999] Added tests for supports of QueueItemAuthenticator. As it works only with Jenkins >= 1.521, it is commented out for now.
Merge pull request #26 from ikedam/feature/JENKINS-14999_SupportQueueItemAuthenticator

[JENKINS-14999] Support for QueueItemAuthenticator