* Remove sr-arithmetic/fuzzer from workspace to fix windows builds

* Remove sr-arithmetic/fuzzer from check_runtime.sh

* Remove error_chain

* Expunge error-chain from rpc and service.

* Expunge from transaction pool.

* Expunge from node/cli

* Expunge from keystore.

* Remove some boilerplate.

* Fix remaining stuff.

* Improve on deprecation message.

* Fix issues.

* Fix trnsaction pool tests.

* Fix the rest.

* Fix borked merge.

* Update lock

* strictly require <= 120 characters

* all the ise

* forgot a misspelling

* a few more replacements

* bump impl

* rollback and fixes

* bump impl again

* Add aliases for RPC

* Update on_demand.rs

* ci: add kubernetes helm chart and gcp deployment

* use official or parity's docker images only

* Adding vesting tests to Balances module

* Fix gitlab message, bump impl

* Add more naunce to the runtime CI agent

- If there are no changes to runtime code, exit ok; otherwise:
- If spec_version has changed, then:
  - Exit ok if the runtime is rebuilt, fail otherwise.
- If impl_version has changed, then exit ok.
- If neither version has changed, fail.

* Update check_runtime.sh

CI: label a pull request breaksapi if there are changes on the wasm source code but no changes to the spec_version (#1727)

* trigger labelling pipeline for runtime changing pull requests

* cut out aws config as it is now included in the parity/awscli image
  

* add test for wasm runtime changes

* use default container

* disable cache for runtime source test

* compare spec_versions directly