ENYO-2497: undo the last file/folder moving made by the DnD
Merge branch 'master' into ENYO-2497
ENYO-2497: code rules appliance
ENYO-2497: Bug fix about hermes.Node "getChildren" call method
ENYO-2497: Bug fix about focusing node moved
Merge branch 'master' into ENYO-2497
ENYO-2497: Fix a bad setting parameter
ENYO-2497: autoscroll is suspended due to bug ENYO-2575
Merge branch 'master' into ENYO-2497
ENYO-2497: remove Scroller naming
ENYO-2497: Highlight folder when it is automatically opened after hovering on it during a DnD action
ENYO-2497: Expand folder if a node is droped on a collapsed folder
ENYO-2497: Code rewriting
Merge pull request #356 from enyojs/ENYO-2497

ENYO-2497: Undo the last DragNDrop move action

Reviewed and tested on Debian FF 17 and chromium 27