Get rid of the stats.css file
Small overhaul of the list of lists
Switch to a fluid layout
Fixes on the login form
Style changes

- move imported JS/CSS libs to a separate directory
- real accordion for the months list
- the top navbar is not black anymore
Fix accordion widget and add_tag button
fix the favorites system
Small fix for the accordion on the overview page

See also: d4ecad9
Small fixes on the user profile page