Bug#796309: RFP: gox -- helper tool for Go cross-compilation

[Yaroslav Halchenko <debian@onerussian.com>]

Package: wnpp
Severity: wishlist

* Package name    : gox
  Version         : 0.3.0
  Upstream Author : Mitchell Hashimoto
* URL             : https://github.com/mitchellh/gox
* License         : Mozilla MPL-2.0
  Programming Lang: Go
  Description     : helper tool for Go cross-compilation

Gox is a simple, no-frills tool for Go cross compilation that behaves a
lot like standard go build. Gox will parallelize builds for multiple platforms.
Gox will also build the cross-compilation toolchain for you.

This one is needed for RFP #740753 packer