Add rabbit ssl parameters

Reasons:
- We must be able to active and configure ssl for RabbitMq

Changes:
- Add rabbit_use_ssl option
- Add kombu_ssl_ca_certs option
- Add kombu_ssl_certfile option
- Add kombu_ssl_keyfile option
- Add kombu_ssl_version option

Change-Id: I504e968c7be929b0f040fd50e89a0de0ea3e6860
Updated to match semver and release notes.

Before this update the Modulefile was not following semver in
relation to stable/havana, and the README files were not in sync.
This update introduces proper semver and consistency.

Change-Id: If4f653a5288b9cca42eb45f5dbd057fd01313a81
Merge "Updated to match semver and release notes."
Merge "Add rabbit ssl parameters"