Mysql Operator Versions Save

• CIDR fixes and Kops support (#184)
• Set MySQL 8.0.12 as default version (#199)
• Implement MySQL version upgrade support (#207)
• Fix bug that created duplicate backups (#213)
• Fix repeated execution of restore operations (#215)

MAJOR BACKWARDS INCOMPATIBLE CHANGES. For an overview of the changes and upgrade information please see docs/0.1-upgrade.md.

• Enforce 8.0.11 as the minimum supported MySQL server version. [#169]
• Numerous changes to the MySQL Operator Custom Resources. [#123]
• Downgrade the MySQL Operator Custom Resource API version from v1 to v1alpha1 to enable future iteration on the API and better reflect its stability [#122]
• Group communication connections as are now secured using SSL with support for specifying your own certificate [#115].