Update README.md
Huge refactor of admin backend
Customize admin index views
Add sorting to admin
Add search to admin
Remove this helper which was a fix for active_admin
Add count in admin
Add a french locale to ransack
Add an admin function to launch rake tasks
Render error instead of redirecting
Update cache key and db queries
Fix absences cron
Add missing index on user_sessions
Drop unused active_admin tables
Add delayed_jobs to admin
Fix admin edition, creation and deletion
Add log messages
Run dj task daily and run 2 workers
Update cron tasks (log msg and background processing)
Add indexes on query parameters