Directory Restructure (#1163)

* Move tests -> testing

* Directory restructure

* Update Cargo.toml during restructure

* Update Makefile during restructure

* Fix arbitrary path

common/deposit_contract/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "deposit_contract"
+version = "0.2.0"
+authors = ["Paul Hauner <paul@paulhauner.com>"]
+edition = "2018"
+
+build = "build.rs"
+
+[build-dependencies]
+reqwest = { version = "0.10.4", features = ["blocking", "json"] }
+serde_json = "1.0.52"
+
+[dependencies]
+types = { path = "../../consensus/types"}
+eth2_ssz = "0.1.2"
+tree_hash = "0.1.0"
+ethabi = "12.0.0"