v0.3.0: graceful dampening
- add two types of flap mitigations configured via HEALTH_DAMPENING_INTERVAL and DRAIN_GRACE_INTERVAL. The function of these is documented in README.md.
- add jicofoHealthy and prosodyHealthy stats to the report to indicate overall jicofo and prosody health
- add prosodyParticipants and prosodySumSquaredParticipants to the report stats
- other minor improvements and bugfixes