Merge pull request #5 from art-manager/master

Fichiers nettoyés et renommés.
#16 amelioration drag&drop
Merge branch 'master' of https://github.com/Fanghornn/art-manager
Merge pull request #64 from alain-andre/master

Fix #25 - entre aute -
Merge branch 'master' of https://github.com/art-manager/art-manager
[Js]#16 WORKING DRAG&DROP
Merge branch 'master' of git://github.com/art-manager/art-manager
Merge pull request #65 from Fanghornn/master

Fix #48. Reste à gérer le petit bug d'affichage de l'image lors de sa sélection dans l'overlay.
[PHP, CSS, JS] Mise en place du panelDocument
Merge branch 'master' of https://github.com/art-manager/art-manager