Fix: security check

Fix: security check

Fix: security check

Fix: project public and private

Fix: security check

Remove project leader on project card as this is no more a property of project (a project can have several project leader now)

1 simple module with no need to understand masks.
1 generic module with a masks to define.

Add tab "note"

Add rights for task

Fix: limit modification to project leader

1 simple module with no need to understand masks.
1 generic module with a masks to define.