v1.1

• Dependencies: migrate to Django 2.0
• Dependencies: use the Cerealizer binary
• Doc: add a screenshot of the scoreboard
• Doc: add release notes
• Logs: add some logs
• Theme: add some links to the footer
• Theme: reduce the size of medals
• Translations: update languages.
• Upload: duplicate songs if needed
• Upload: filter songs by case-insensitive title