2015-01-20 io.js v1.0.3 Release

Notable changes

* V8 upgrade from 3.31 to 4.1, this is not a major upgrade, the version number "4.1" signifies tracking towards Chrome 41. The 3.31 branch is now not tracking towards a stable release.
* Re-enable Windows XP / 2003 support
* npm upgrade to 2.2.0
* Improved FreeBSD support