Fix failing articles controller spec and factory
Rename models locale file to models.en.yml
Remove publishable call from categories

It doesn't have a concept of being published or not anyway.
Translate IDs in models
Only count published articles in category list
Show latest articles on front page
Make a helper for displaying the full article body
Add Markdown stuff
Parse articles through Markdown
Use GitHub Markdown parser
Merge branch 'master' of github.com:sindrenm/blog