add generate json and cs style
fix dragdrop
fix drop
fix build
correctif pour la stabilité
fix build
Merge branch 'master' of github.com:arnogues/treedrag
Merge branch 'master' into dropPopin

Conflicts:
	app/css/treedrag.css
	app/script/treedrag/treedrag.DragDrop.js
	app/script/treedrag/treedrag.Treedrag.js