• Update to 2.2.1
• Add LICENSE
• Add GH_ACCOUNT
• Do not touch PREFIX/lib/node_modules and leave it for www/npm
• Strip binary executable
• Use pkg-message instead of ECHO_MSG in post-install:

Changes: https://github.com/nodejs/io.js/blob/master/CHANGELOG.md
Submitted by: sunpoet (myself)
Approved by: Jin-Sih Lin <linpct@gmail.com> (maintainer)