Reduce size of default extra-data.
Introduce find_uncle_headers.

blockchain generator

Sparse Table Implementation (Row, Col) -> Val

[ci skip] fixup install script

It's renamed in upstream.

https://github.com/brson/multirust/commit/ae8e470ca6adc3f1c6844b6a23932902e5fd3ebc

Fixing clippy warnings

ignore out directory

Added support for eth_submitWork.

u256 full multiplication

Fix panic when downloading stales, update homestead transition

changing x64 asm config