Move a bunch of stuff around (#10101)

* Move devtools.

* Merge stop_guard & rename memzero

* Move price-info to miner.

* Group account management

* Clean up workspace members.

* Move local store closer to miner.

* Move clib examples.

* Move registrar and hash-fetch

* Move rpc_cli/rpc_client

* Move stratum closer to miner.

* Fix naming convention of crates.

* Update Cpp examples path.

* Fix paths for clib-example.

* Fix removing build.

util/network-devp2p/Cargo.toml

@@ -25,7 +25,7 @@ parity-crypto = "0.2"
 ethcore-logger = { path ="../../logger" }
 ethcore-network = { path = "../network" }
 ethereum-types = "0.4"
-ethkey = { path = "../../ethkey" }
+ethkey = { path = "../../accounts/ethkey" }
 rlp = { version = "0.3.0", features = ["ethereum"] }
 parity-path = "0.1"
 ipnetwork = "0.12.6"