[JIRA] (OVIRT-1454) Document and educate team about change-queue

Document and educate team about change-queue -------------------------------------------- Key: OVIRT-1454 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1454 Project: oVirt - virtualization made easy Issue Type: Improvement Components: oVirt CI Reporter: Barak Korren Assignee: infra Labels: change-queue As we progress towards making the change-queue fully operational, we need to write some documentation and traing the team about using and debugging it.