merges upstream, fix ETH miner, adds tests, fixes lightsync downloader

Fixes Clique EIP2 consensus issue

Supports YoloV1

Post ETC ECIP1088 hardfork

Merges ethereum/go-ethereum v1.9.14-Pink Marble

Fixes recurring sync issue seen on Kotti

Merges ethereum/[email protected], fixes light txpool reorg

Fixes gap in Ancient/KV databases causing Fatal

Same as v1.11.0-core, but tag name w/o extension '-core'

Activates ECIP1078 on Kotti, Mordor. Activates ECIP1086 on Kotti, Mor…

…dor. Fixes EIP2200.