This is the initial release to support AWS ParallelCluster 3.
This release also includes:
- M6i and C6i instances (where available)
- Slurm queues refactoring
- Major refactoring of the Cloud9 Bootstrap script
- Move all the "master" labels into "HeadNode"
- Disable the "Cost" dashboard in the monitoring Grafana dashboard
- ParallelCluster post-install script (now OnNodeConfigured --> CustomActions) refactoring
- various fixes, code and performance improvements.