adding windows support through install_from_package.rb

- [ ]^H^H^H^H^H @mmeyers, want to do the honor? I have tested the install of node onto ubuntu through all 3 install methods the original cookbook supported, and also onto windows via our newfangled windows_package install.

- [ ]^H^H^H^H^H @mmyers-daptiv, what about you? ;)

- [x] never mind, I'm getting ready to head out, and this is hack day, after all... ;)