remove node_modules folder from repo
ignore node_modules with .gitignore
update package.json
Merge pull request #7 from samccone/sjs/fix-example-app

Sjs/fix example app
use the latest version of express
default to the latest versions of node and npm on heroku
bump the version
add a README
add devcenter links to readme
fix markdown typo
use latest versions of node and npm on heroku
Update node and npm
Remove path level so always use the latest node and npm
Update version of Express
Update documentation links
Merge branch 'master' of github.com:heroku/node-js-sample
rename web.js to index.js, a la npm defaults
update license, contributors, and keywords
improve readme
add node logo and express static