* Update to spec v0.9.0
* Update to v0.9.1
* Bump spec tags for v0.9.1
* Formatting, fix CI failures
* Resolve accidental KeyPair merge conflict
* Document new BeaconState functions
* Add `validator` changes from `validator-to-rest`
* Add initial (failing) REST api tests
* Fix signature parsing
* Add more tests
* Refactor http router
* Add working tests for publish beacon block
* Add validator duties tests
* Move account_manager under `lighthouse` binary
* Unify logfile handling in `environment` crate.
* Fix incorrect cache drops in `advance_caches`
* Update fork choice for v0.9.1
* Add `deposit_contract` crate
* Add progress on validator onboarding
* Add unfinished attesation code
* Update account manager CLI
* Write eth1 data file as hex string
* Integrate ValidatorDirectory with validator_client
* Move ValidatorDirectory into validator_client
* Clean up some FIXMEs
* Add beacon_chain_sim
* Fix a few docs/logs
* Expand `beacon_chain_sim`
* Fix spec for `beacon_chain_sim
* More testing for api
* Start work on attestation endpoint
* Reject empty attestations
* Allow attestations to genesis block
* Add working tests for `rest_api` validator endpoint
* Remove grpc from beacon_node
* Start heavy refactor of validator client
- Block production is working
* Prune old validator client files
* Start works on attestation service
* Add attestation service to validator client
* Use full pubkey for validator directories
* Add validator duties post endpoint
* Use par_iter for keypair generation
* Use bulk duties request in validator client
* Add version http endpoint tests
* Add interop keys and startup wait
* Ensure a prompt exit
* Add duties pruning
* Fix compile error in beacon node tests
* Add github workflow
* Modify rust.yaml
* Modify gitlab actions
* Add to CI file
* Add sudo to CI npm install
* Move cargo fmt to own job in tests
* Fix cargo fmt in CI
* Add rustup update before cargo fmt
* Change name of CI job
* Make other CI jobs require cargo fmt
* Add CI badge
* Remove gitlab and travis files
* Add different http timeout for debug
* Update docker file, use makefile in CI
* Use make in the dockerfile, skip the test
* Use the makefile for debug GI test
* Update book
* Tidy grpc and misc things
* Apply discv5 fixes
* Address other minor issues
* Fix warnings
* Attempt fix for addr parsing
* Tidy validator config, CLIs
* Tidy comments
* Tidy signing, reduce ForkService duplication
* Fail if skipping too many slots
* Set default recent genesis time to 0
* Add custom http timeout to validator
* Fix compile bug in node_test_rig
* Remove old bootstrap flag from val CLI
* Update docs
* Tidy val client
* Change val client log levels
* Add comments, more validity checks
* Fix compile error, add comments
* Undo changes to eth2-libp2p/src
* Reduce duplication of keypair generation
* Add more logging for validator duties
* Fix beacon_chain_sim, nitpicks
* Fix compile error, minor nits
* Address Michael's comments
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