Tar version 3 performs better and is more well tested than its
predecessor.  npm will be using this in the near future, so there is no
benefit in shipping a node-gyp that uses the slower and less reliable
fstream-based tar.

This drops support for node 0.x, and thus should be considered a
breaking semver-major change.

PR-URL: nodejs#1212
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

* dropping support for node < 4
* signal the CI not to test node < 4

If you're providing a path to a header tarball to install, you probably
want it to always be re-installed.

PR-URL: nodejs#1220
Fixes: nodejs#1216
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Refael Ackermann <refack@gmail.com>

* test: build simple addon in path with non-ascii characters
* test: add test-charmap.py

PR-URL: nodejs#1203
Reviewed-By: Refael Ackermann <refack@gmail.com>

Enable linking to the platform specific installation instructions

PR-URL: nodejs#1225
Reviewed-By: Refael Ackermann <refack@gmail.com>

Lifted verbatim from
https://github.com/nodejs/node/blob/master/CONTRIBUTING.md
then `s/Node.js/node-gyp/`.

PR-URL: nodejs#1229
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

Give users reporting bugs a clearer idea of the info that will be
helpful when reporting issues.

PR-URL: nodejs#1228
Refs: https://github.com/nodejs/node/tree/master/.github
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

When actions are run, they're preceded by an update to the
LD_LIBRARY_PATH environment variable. If $(builddir) includes
any special shell characters, then the action will fail to run
and the build will fail.