Draft implementation of the password expose prevention.

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Draft implementation (tests fail due to unavailability of descriptor)

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
[FIXED JENKINS-19794] - Administrators can disable passwords exposure via global configuration
Resolves https://issues.jenkins-ci.org/browse/JENKINS-19794

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Merge pull request #36 from synopsys-arc-oss/password_expose_config

[FIXED JENKINS-19794] - Administrators can disable passwords exposure