Filter projects by language, too
Update `Project.get_absolute_url`
Add `name` to project factory
Update tests for language-filtered projects
We don't like `distinct()`
Extract header in separate template
Why not extract the footer, too?
Fix highlight in both libraries and projects submenus
Show language in title on projects page
Show language in title on libraries list
Add <title> to libraries list
Add <title> to projects page
Add <title> to library page
Add <title> to project page