[JIRA] (OVIRT-2062) Move common groovy code base to a separate file

Move common groovy code base to a separate file ----------------------------------------------- Key: OVIRT-2062 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-2062 Project: oVirt - virtualization made easy Issue Type: New Feature Reporter: Daniel Belenky Assignee: infra Currently, we have some common code base in standard-stage and change-queue. We should move the common code into a separate file. This will prevent us having to port code from one module to another.