Fix: Removed warning
Prepare move to other licence. For the moment all answers for licence
upgrade were not yet received. So we prepare for GPL by uniformizing
licence text keys to GPL-3+. Will move later to AGPL if all answers are
positive.
Update doc
Trad: Best ca_ES and es_ES translations
Fix bug [ bug #694 ] Set security permision to user belong to group
Merge pull request #615 from simnandez/3.3

Trad: Best ca_ES and es_ES translations
Merge pull request #616 from FHenry/3.3

Fix bug [ bug #694 ] Set security permision to user belong to group