Merge pull request #93 from codidact/art/articles

app/assets/javascripts/articles.coffee

app/assets/stylesheets/articles.scss

app/assets/stylesheets/posts.scss

app/controllers/articles_controller.rb

app/controllers/comments_controller.rb

app/controllers/posts_controller.rb

app/controllers/questions_controller.rb

app/helpers/application_helper.rb

app/helpers/articles_helper.rb

app/helpers/categories_helper.rb

app/helpers/comments_helper.rb

app/helpers/post_types_helper.rb

app/models/article.rb

app/models/post.rb

app/models/vote.rb

app/views/articles/_form.html.erb

app/views/articles/edit.html.erb

app/views/articles/show.html.erb

app/views/posts/_article_list.html.erb

app/views/posts/_expanded.html.erb