Add subtasks
Improve file upload
Add more tests
Make sure that files are removed when a task is deleted
Improve events handling
Improve automatic actions (move task to another position same columns)
Improve assets loading (add helpers)
Add a new automatic action: assign a category based on a defined color
Fix some Windows Server issues
Update doc
Update archive script
Remove useless files when building the archive
Update docs
Add CSRF protections
Reduce session time to 2 hours
Fix typo (error message)
Improve session destroy
Fix bug #108: useless require
Merge remote-tracking branch 'upstream/master'
done Chinese translation