* add tool and script for interop testing
* identity
* lint
* merge upstream, fix conflict, update script, add comment
* add comma separated support for --peer=
* remove NUM_VALIDATORS, comma fix
* WIP docker image
* use CI builder
* pr feedback
* whatever antoine says
* ignore git in docker
* jobs=auto
* disable remote cache
* try to cache the golang part
* try to cache the golang part
* nvm
* From Antoine with love
* fix
* Remove most of the remaining geth code and set up bazel for this
* chmod +x
* Add flake check
* better flake detection
Former-commit-id: 5c332ecbf2923943f646f1fe40befa95be883329 [formerly 99590fc354514584700e5ce8d7d30a8a7d541f29]
Former-commit-id: e5f919b553fe698e98090965d34eb721990b5693