LocalCallExecutor and RemoteCallRequest generic over Hasher and NodeCodec (#573)

* LocalCallExecutor and RemoteCallRequest generic over Hasher and NodeCodec

* Fix client/db

* Use new triehash

* Use new triehash
Don't use ethereum-types from rlp

* New triehash

* Use new triehash

* fixes and rlp without ethereum-types

* Lockfile

* lockfile

* Rename enumerated_trie_root to keccak_rlp_enumerated_trie_root

* Rename ordered_trie_root -> keccak_rlp_ordered_trie_root
Rename trie_root -> keccak_rlp_trie_root

* Fix panic message

* Kick the ball one step up the ladder

* Normalize function signatures between wasm and native

* Sort out compilation and test errors

* Cleanup

* Constrain the wasm-version using an ExternTrieCrypto trait that is implemented only for KeccakHasher

* hashdb is not optional

* lockfile

* Runtimes

* Missing bounds

* wasm binaries

* lockfiles

* binaries

* LocalCallExecutor uses concrete hasher/codec

* Use binaries from master

* Externalities is concrete
RuntimeInfo is not generic

* whitespace grumble

* lockfile

* lockfile and binaries

substrate/demo/runtime/wasm/Cargo.lock

@@ -701,6 +701,8 @@ version = "0.1.0"
 dependencies = [
  "ed25519 0.1.0",
  "environmental 0.1.0",
+ "hashdb 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rlp 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-codec 0.1.0",
  "substrate-primitives 0.1.0",