adds config file for app settings
e.g. company name, github repo etc.
stores them in app.locals.app_settings to be available globally
re-establishes the copyright date
see discussion https://github.com/sahat/hackathon-starter/pull/108#discussion_r10518213
Merge branch 'app_config'

* app_config:
  re-establishes the copyright date see discussion https://github.com/sahat/hackathon-starter/pull/108#discussion_r10518213
  adds config file for app settings e.g. company name, github repo etc. stores them in app.locals.app_settings to be available globally

Conflicts:
	app.js
	views/partials/footer.jade