Revised minimum set of networking rules

Remove stale 'external_interface' config

Move the 'ansible_user' config to inventory vars

Improve documentation

Allow customizing Garden CIDR range

Allow customizing Virtualbox host IP

Update MySQL to v36.19.0

Move user-facing config to private config

Have Cassandra not depend on SHIELD v7 anymore

Fix import for apps domain

Update version and input for rabbitmq

Bump RabbitMQ BOSH Releases to the latest versions published on bosh.io

Fix the 'data-services' deployment, switching upper Docker FS to 'vfs' in order

Customize the broker URI for 'data-services' in a private config file

Bump Scality subsys with Docker v35.3.4