Implemented PoC - ownership action for the jobs

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Added automatic setup of the owner after creation.

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Retain property after reconfiguration of the job.

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Added support of ownership configuration page for the slaves.

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Improved appearance of the pages.
Resolves https://issues.jenkins-ci.org/browse/JENKINS-18742

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Fixed slave's "Manage ownership" privilege

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Merge pull request #7 from synopsys-arc-oss/manage-ownership-page

Manage ownership page