Use npm start shortcut

No need to cd into `node_modules`, `npm start` lets you specify a module to start
Merge pull request #6 from NotBobTheBuilder/patch-1

Use npm start shortcut
changelog
version 0.0.5
Merge branch 'master' of https://github.com/julianbrowne/graffeine
removed npm files
Merge pull request #1 from julianbrowne/master

Update from original.