change firebase ref for testing
Serve vote using a controller
Serve individual type:question as feed
Implemented a different post type: article, add id reference to each post, todo: priorities
Merge branch 'feature-typeof-article' into development

* feature-typeof-article:
  Implemented a different post type: article, add id reference to each post, todo: priorities
  Serve individual type:question as feed
  Serve vote using a controller
  change firebase ref for testing