* Fixed AuthorityRound deadlock on shutdown, closes#8088 (#8803)
* CI: Fix docker tags (#8822)
* scripts: enable docker builds for beta and stable
* scripts: docker latest should be beta not master
* scripts: docker latest is master
* Fix concurrent access to signer queue (#8854)
* Fix concurrent access to signer queue
* Put request back to the queue if confirmation failed
* typo: fix docs and rename functions to be more specific
`request_notify` does not need to be public, and it's renamed to `notify_result`.
`notify` is renamed to `notify_message`.
* Change trace info "Transaction" -> "Request"
* Add new ovh bootnodes and fix port for foundation bootnode 3.2 (#8886)
* Add new ovh bootnodes and fix port for foundation bootnode 3.2
* Remove old bootnodes.
* Remove duplicate 1118980bf48b0a3640bdba04e0fe78b1add18e1cd99bf22d53daac1fd9972ad650df52176e7c7d89d1114cfef2bc23a2959aa54998a46afcf7d91809f0855082
* Block 0 is valid in queries (#8891)
Early exit for block nr 0 leads to spurious error about pruning: `…your node is running with state pruning…`.
Fixes#7547, #8762
* update jsonrpc libs, fixed ipc leak, closes#8774 (#8876)
Instead of cherrypicking 8b78141b20b75da508ce82bccc9286e3d7858a7b, just ran cargo update -p jsonrpc-core
* Add ETC Cooperative-run load balanced parity node (#8892)
* Minor fix in chain supplier and light provider (#8906)
* fix chain supplier increment
* fix light provider block_headers
* move common forks and parameters to common params
* port specs over to new format
* fix RPC tests
* parity-machine skeleton
* remove block type
* extract out ethereum-specific methods into EthereumMachine
* beginning to integrate Machine into engines. dealing with stale transitions in Ethash
* initial porting to machine
* move block reward back into engine
* abstract block reward logic
* move last hash and DAO HF logic into machine
* begin making engine function parameters generic
* abstract epoch verifier and ethash block reward logic
* instantiate special ethereummachine for ethash in spec
* optional full verification in verify_block_family
* re-instate tx_filter in a way that works for all engines
* fix warnings
* fix most tests, further generalize engine trait
* uncomment nullengine, get ethcore tests compiling
* fix warnings
* update a bunch of specs
* re-enable engine signer, validator set, and transition handler
* migrate basic_authority engine
* move last hashes into executedblock
* port tendermint
* make all ethcore tests pass
* json-tests compilation
* fix RPC tests: change in gas limit for new block changed PoW hash
* fix minor grumbles
* validate chainspecs
* fix broken import
* fix transaction verification for pre-homestead
* Add info on forks.
* Add new registry ABI
* Import registry2 & fix exports
* Select ABI based on code hash
* Render new event types (owner not available)
* New registry.
* Rename old chain.
* Fix test.
* Another fix.
* Finish rename.
