Removed unused imports

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

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

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
[maven-release-plugin] rollback the release of ownership-0.3
Corrected version to 1.509.2

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
[maven-release-plugin] prepare release ownership-0.3
[maven-release-plugin] prepare for next development iteration