www/node010: deprecate, expires at 2016-10-01
www/node012: deprecate, expires at 2017-04-01

Upstream signals that those will run out of support:

https://nodejs.org/en/blog/release/v6.0.0/#what-about-node-js-v0-10-and-v0-12

Dates taken from long-term support schedule:

https://github.com/nodejs/LTS#lts_schedule

PR: 209214
Submitted by: Bradley T. Hughes <bradleythughes@fastmail.fm> (maintainer)