v2.0.0 - fully support and document DNS discovery using flag `--discovery-srv` - additional tests for all packages - fix the message flood from leader to follower when follower is unhealthy - support scaling from two member clusters to single member clusters (not a recommended configuration) - remove out of date documentation about the 0.4 releases - use tls information internally when finding cluster membership - WAL migration starts the term at 1 instead of 0 - add debug tool etcd-dump-logs - update all documents to fit the v2.0 changes - add `-heartbeat-interval` and `-election-timeout` flags Thank you to: 周春寅, efrecon, Yicheng Qin, Xiang Li, Shota Fukumori (sora_h), Rob Szumski, Peter Suschlik, Peter Lemenkov, Matthew Williams, Kelsey Hightower, Jörg Thalheim, Jurriaan Mous, Jonathan Boulle, Brian Waldon, Brandon Philips, Ben Darnell, Barak Michener, Andrew Bonventre, Alban Crequy