added phonegap android
Merge branch 'master' of github.com:sahat/semanticweb

* 'master' of github.com:sahat/semanticweb:
  removed ios facebook plugin -- didnt work
  partial facebook support for ios
  removed .DS_Store
Merge branch 'master' of github.com:sahat/semanticweb

* 'master' of github.com:sahat/semanticweb:
  facebook login round 2
added Heroku procfile and created a separate config file to store configuration data for node.js, e.g. facebook app id, mongodb url
added handlebars support, homepage render based on useragent (mobile vs desktop), using module exports for config and merged models and schema to save a few lines of code
facebook authentication middlware