* Update CONTRIBUTING.adoc

Fix broken links to labels, update link to style guide. Add breaksapi and breaksconsensus and add a section on easy, medium and mentor ticket to get started. Slight rephrasing to clarify current process.

* Update CONTRIBUTING.adoc

* grandpa finality proof

* prove GrandpaApi::grandpa_authorities using parent block + some docs

* create justification when consensus data is changed

* generate justifications periodically

* test for ConsensusChanges

* Properly log sealing and the newly created proposal hash from aura

* Update lib.rs

* Move double map to support and generalize it

* add docs back

* reduces the number of required allocations

* Ensure opaque extr serialise is same as transparent

Fixes #889

* Fix wasm compile

* Bump version to 0.10.0 in preparation for 1.0gamma

* Update lock file

André Silva authored Jan 10, 2019 and asynchronous rob committed Jan 10, 2019

* srml: apply slashing for all offline reports at once

* srml: add regression test for slashing overflow

* Updates for CC's recent upgrade

- Version bump to 0.9.2
- Runtime version bump to v14
- Avoid misuse of error return type for system_health RPC

* Fix tests

* Updated README.adoc

Added a new section with instructions of how to join the Krumme Lanke testnet.
Closes Issue 1217

* Update README.adoc

Instructions for joining Charred Cherry + some minor typos

* Updated Runtime & API in README.adoc

Properties of these functions are changing quickly, updated this section to be more generic.