Merge pull request #38 from arnaudbey/master

hotfix merdouille
Merge remote-tracking branch 'upstream/master'
suppression, drag & drop, clonage, identifiant termine
Merge pull request #39 from leovidal73/master

suppression, drag & drop, clonage, termine
correction drop dans la pattern
Merge pull request #40 from leovidal73/master

correction drop dans le pattern
Merge remote-tracking branch 'upstream/master'
add backend remove feature