CFY-1688 update delete operation.
CFY-1688 update blueprint.
CFY-1688 support disk0-4 categories.
CFY-1688 flake8.
CFY-1688 changed the default username and api_key in test.
CFY-1688 merged with master.
CFY-1688 support multiple group codes for the same item id.
CFY-1688 update transaction name.
CFY-1688 flake8.
Update blueprint.yaml
Merge pull request #21 from cloudify-cosmo/CFY-1688-manager-blueprint

Cfy 1688 manager blueprint