* CLI options and keystore integration
* Replace multiqueue with future::mpsc
* BFT gossip
* Revert to app_dirs
* generate_from_seed commented
* Refactor event loop
* Start consensus by timer
* Message buffering
* Minor fixes
* Work around duty-roster issue.
* some more minor fixes
* fix compilation
* more consistent formatting
* make bft input stream never conclude
* Minor fixes
* add timestamp module to executive
* more cleanups and logging
* Fixed message propagation