Add go-compress 1.2.1

This package is based on an optimized Deflate function, which is used
by gzip/zip/zlib packages.

It offers slightly better compression at lower compression settings, and
up to 3x faster encoding at highest compression level.

WWW: https://github.com/klauspost/compress

• While I'm here:
  • Use DISTVERSIONPREFIX
  • Add LICENSE_FILE
  • Remove GH_PROJECT

PR: 217209
Submitted by: Guy Tabrar <guy.tabrar@me.com>