[FIXED JENKINS-20357] - Renamed UserIdCauseRestriction folder
Jenkins 1.509.2 has some issues in development features, so seems I've tested plugin with wrong resources.

Resolves https://issues.jenkins-ci.org/browse/JENKINS-20357

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Refactored POM file

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>