1afb574533
This adds --tag to the v2 version of `image set`. This is another step to compatability between the osc image api. Added merge of tags into existing tags and handling duplicates, and tests for same. Co-Authored-By: Steve Martinelli <stevemar@ca.ibm.com> Change-Id: Ie800fcbf8bbc0978c54ace3278750a18023e8ce4