* Add --chain option.

* Reinstate bail on unknown runtime.

Arkadiy Paronyan authored Apr 03, 2018 and asynchronous rob committed Apr 03, 2018

* CLI options and keystore integration

* Replace multiqueue with future::mpsc

* BFT gossip

* Revert to app_dirs

* generate_from_seed commented

* improve ed25519 bindings

* probably broken child derivation

* basic keystore

* keystore integration in CLI

* constant-time mac comparison

* fix spaces

- Everything polkadot becomes polkadot-.
- Wasm (substrate) executor tests split from Wasm (Polkadot) runtime and
built independently.