Update testnet tooling (#1001)

* Add progress on new deposits

* Add deposited command to account manager

* Remove old lcli::helpers mod

* Clean clap_utils

* Refactor lcli deposit contract commands to use IPC

* Make testnet optional for environment

* Use dbg formatting for deploy address

* Add command to generate bootnode enr

* Ensure lcli returns with 1 on error

* Ensure account manager returns 1 on error

* Disallow deposits to the zero address

* Update web3 in eth1 crate

* Ensure correct lighthouse dir is created

* Reduce deposit gas requirement

* Update cargo.lock

* Add progress on new deposits

* Add deposited command to account manager

* Remove old lcli::helpers mod

* Clean clap_utils

* Refactor lcli deposit contract commands to use IPC

* Add command to generate bootnode enr

* Ensure lcli returns with 1 on error

* Ensure account manager returns 1 on error

* Update web3 in eth1 crate

* Update Cargo.lock

* Move lcli out of main install script

* Change --limit to --at-least

* Change --datadir to --validator-dir

* Remove duplication in docs

Cargo.toml

@@ -5,6 +5,7 @@ members = [
     "eth2/state_processing",
     "eth2/types",
     "eth2/utils/bls",
+    "eth2/utils/clap_utils",
     "eth2/utils/compare_fields",
     "eth2/utils/compare_fields_derive",
     "eth2/utils/deposit_contract",