Use core

* master:
  --version commit hash - style improvement (#496)
  Send initial values with subscription. (#493)
  Improve docker image size with a 2 stages image (#463)

* Update lib.rs

* Update lib.rs

* Update config.rs

* Update lib.rs

* Update lib.rs

* tab correction

* Send initial value for heads.

* Send initial values for subscriptions.

* Improve docker image size with a 2 stages image

* Minor doc updates

* Fix and reduce size of the docker image

* Fix paths in scripts

* master:
  Add Links to Tags and House Style (#413)
  Add seed generation tests (#476)
  Added commit hash to --version (#489)
  use write_all instead of write (#488)
  should be MAX_IMPORTING_BLOCKS (#486)
  Use hex_literal in tests, use rustc-hex from crates (#481)
  Lower bft timeout (#483)
  force BFT delay in consensus service, not in proposer logic (#477)

Chevdor authored Aug 03, 2018 and asynchronous rob committed Aug 03, 2018

* Fix the --key generation

* Add unit tests

Ref #474

* Update config.rs

* Update lib.rs

io::Write::write is not guaranteed to process the entire buffer. it return how many bytes were processed, which might be smaller than a given buffer’s length. use write_all instead.