Added minimal private-config.js information to the 'How to start the project' chapter.
Added node.extend to dependencies. Needed to get the configuration stuff better working.
Added .DS_Store files to gitignore.
Main config is now just a template and can be overriden via private-config.js.
Merge pull request #1 from daincredibleholg/master

Discussed changes for private-config and the slightly adjusted documentation