go-ethereum/log/README_ETHEREUM.md

This package is a fork of https://github.com/inconshreveable/log15, with some
minor modifications required by the go-ethereum codebase:

 * Support for log level `trace`
 * Modified behavior to exit on `critical` failure
log, vendor: vendor in log15 inline into our codebase 8 years ago			`This package is a fork of https://github.com/inconshreveable/log15, with some`
			`minor modifications required by the go-ethereum codebase:`

			* Support for log level `trace`
log: add support for trace level, exit on critical 8 years ago			* Modified behavior to exit on `critical` failure