TF:U2,L5,A5 - modified gemfile by replacing sqlite with pg and then running bundle install in the wikiful directory
TF:U2,L5,A5 - modified gemfile by replacing sqlite with pg and then running bundle install in the wikiful directory; added after running rake db:create, got wikiful_development already exists and wikiful_test already exists
TF:U2,L5,A6 - ran rails generate model Article title:string content:text
U2,L5,A6 - modifications to app/models/article.rb file
TF:U2,L5,A6 - ran rake db:migrate and then rails g model ArticleCategory
TF:U2,L5,A6 - modified app/models/article_category.rb and db/migrate/..._create_article_categories.rb