Drop io.js v1-3.x from CI.
Drop io.js v1-3.x from CI.

NAN no longer works with them and they have been out of support for a
long time now.

I don't think we can guarantee things will work with v0.10 and v0.12
either because of https://github.com/nodejs/nan/issues/676.

strongloop/fsevents,strongloop/fsevents,strongloop/fsevents,strongloop/fsevents