* ethcore/res: activate Istanbul on Ropsten, Görli, Rinkeby, Kovan (#11068)
* ethcore/res: activate Istanbul on Ropsten block 6485846
* ethcore/res: activate Istanbul on Goerli block 1561651
* ethcore/res: use hex values for Istanbul specs
* ethcore/res: fix trailing comma
* ethcore/res: be pedantic about EIP-1283 in Petersburg and Istanbul test specs
* ethcore/res: activate Istanbul on Rinkeby block 5435345
* ethcore/res: activate Istanbul on Kovan block 14111141
* ethcore/res: fix kovan istanbul number to 0xd751a5
* [json-spec] make blake2 pricing spec more readable (#11034)
* [json-spec] make blake2 pricing spec more readable
* [ethcore] fix compilation
* Manual backport of #11033
* add more tx tests (#11038)
* Fix parallel transactions race-condition (#10995)
* Add blake2_f precompile (#11017)
* [trace] introduce trace failed to Ext (#11019)
* Edit publish-onchain.sh to use https (#11016)
* Fix deadlock in network-devp2p (#11013)
* EIP 1108: Reduce alt_bn128 precompile gas costs (#11008)
* xDai chain support and nodes list update (#10989)
* EIP 2028: transaction gas lowered from 68 to 16 (#10987)
* EIP-1344 Add CHAINID op-code (#10983)
* manual publish jobs for releases, no changes for nightlies (#10977)
* [blooms-db] Fix benchmarks (#10974)
* Verify transaction against its block during import (#10954)
* Better error message for rpc gas price errors (#10931)
* tx-pool: accept local tx with higher gas price when pool full (#10901)
* Fix fork choice (#10837)
* Cleanup unused vm dependencies (#10787)
* Fix compilation on recent nightlies (#10991)
