Update Node.js to the latest version

Instead of downloading `npm` separate from `node`, download them together and remove the bundled `npmrc` file that makes global modules get installed in `%appdata%\Roaming\npm`.
Add version checks to PHP manifests
Merge pull request #159 from jkrehm/php-checkver

Add version checks to PHP manifests
Merge pull request #158 from jkrehm/nodejs-0.10.31

Update Node.js to the latest version