Made parameter substitution optional (false by default)

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Fixed tool version.
Resolves https://issues.jenkins-ci.org/browse/JENKINS-19233

Signed-off-by: Oleg Nenashev <nenashev@synopsys.com>
Merge pull request #2 from synopsys-arc-oss/optional-param-substitution

Optional param substitution