Add use strict mode in all js code and fix issues with it
Do not display Doodle Jump menu on start
Start about page content
Add basic XP management in admin panel
Log in user on sign up
Forgot the xp table migration
Update and fix website text
Add a concentration_level column in user_xp table
Fix bug when creating experiment in admin panel
Add concentration level to the questionnaire
Start improving design
Start reviewing xp list and text
Start working on a new XP : The fountain
Doodle jump duration is now 120s and it does not continue even if the player never fall
Major design improvements and add experiment description
Finish the fountain game and improve website design
Add a check on rng connexion, if the rng isn't available, display an error