[WFCORE-353] : CLI command for executing the deployment scanner.

Adding a new operation that will run a single scan.

Jira: https://issues.jboss.org/browse/WFCORE-353
BTW, this isn't just a matter of being picky about following the javadoc. The 'true' value is what results in this op being treated as a write by the RBAC system. Without it an admin without write permissions could end up triggering deployments.