deps: make node-gyp work with io.js

Every npm version bump requires a few patches to be floated on
node-gyp for io.js compatibility. These patches are found in
03d19927,
5de334c2, and
da730c76. This commit squashes
them into a single commit.

PR-URL: https://github.com/iojs/io.js/pull/990


Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>