Removed hard coded user
Pow HttpServer listens to 20559 by default

https://github.com/37signals/pow/blob/master/src/http_server.coffee
Pow does not work with node v0.10, using node v0.6.20 which comes with nvm.

Pow currently uses v0.6.18

curl -s http://get.pow.cx/versions/0.4.0.tar.gz | tar xzf -
0.4.0/bin/node --version
Logs are great
Merge pull request #2 from mriddle/master

Fixed pow install