Modify image sizes
Remaining learn chapters, inspired by Stas's blog posts
And the updated menu
Merge branch 'master' of github.com:l20n/l20n.org
Homepage redesign
New icons
Rename icons
Add favicon
New header copy
Smoother transitions
Fixes Bug 916353: Rename Learn chapters by usecase
Update links
Update more posts links
Fixes bug in the menu styling