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

eth2/utils/clap_utils/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "clap_utils"
+version = "0.1.0"
+authors = ["Paul Hauner <paul@paulhauner.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = "2.33.0"
+hex = "0.3"
+dirs = "2.0"
+types = { path = "../../types" }
+eth2_testnet_config = { path = "../eth2_testnet_config" }
+eth2_ssz = { path = "../ssz" }