Replication Manager 2.0.0-rc1

This is a release candidate version of Replication Manager 2.0.
Please refer to https://docs.signal18.io/ for configuration changes.

• Replication Manager API
• Rewritten MaxScale Proxy monitoring
• Support of MySQL replication
• Support of OpenSVC enterprise
• New unified configuration syntax
• Support for ProxySQL
• Arbitrator in standalone package
• Refactored internal logging
• Improved HTTP Interface
• Improved packaging
• Multi Master Ring support
• Consul Support
• Maintenance Mode support
• Failover using Pseudo GTID support
• Rewritten HAProxy support
• Shard Proxy (Spider) support
• Sphinx support
• Grafana integration
• Refactored monitoring logic
• Too many bug fixes to be listed here