[Multi perso]

• /?action=perso.logout allows perso change
• Adds in footer a link to change perso
• New static method Perso::get_persos to gets an array with all the perso of the specified user

[Bugs]

• javascript hypership time will be zerofilled

[Scenes]

• New class: GeoScene, who prints a scene from scene folder, matching current location
• Avatar wall css from Azh?r
• 2 new readonly members for GeoLocation: containsGlobalLocation and containsLocalLocation

[Misc]

• Adding README
• Adding a request controller to allow perso to fill a query sent to a group of persos
• New artwork