Factory girl implemnted
Update route to destroy subscription
Implements User#articles to return all articles from user's feeds in json format
Update seeds.rb. Implement validations for Article, Feed for uniqueness
Merge pull request #19 from chorus-frogs-2014/rails_angular_integration

began integrating front and back end, still need to get it to work with ...
Fix merge
Re-implemented articles#get_all_articles method
integration with api done