* Update lcli to parse spec at boot, remove pycli
* Fix issues when starting with mainnet spec
* Set default spec to mainnet
* Ensure ETH1_FOLLOW_DISTANCE is in YamlConfig
* Set testnet ETH1_FOLLOW_DISTANCE to 16
* Set testnet min validator count
* Add validator count CLI flag to lcli contract deploy
* Extend genesis delay time
* Change into_iter to iter
* Fix clippy 'easy' warnings
* Clippy eth2/utils
* Add struct NetworkInfo
* Clippy for types, utils, and beacon_node/store/src/iters.rs
* Cargo fmt
* Change foo to my_foo
* Remove complex signature
* suppress clippy warning for unit_value in benches
* Use enumerate instead of iterating over range
* Allow trivially_copy_pass_by_ref in serde_utils