ENYO-2446: attempt to change cursor during DnD
ENYO-2446: attempt to better use of dragenter and dragleave
Merge branch 'ENYO-2446' of github.com:enyojs/ares-project into ENYO-2446-1
ENYO-2446: attempt to split dragover actions between dragleave and dragenter ones
Merge branch 'ENYO-2446' of github.com:enyojs/ares-project into ENYO-2446-1
ENYO-2446: DnD functions reordering in code
ENYO-2446: During the DnD action, cursor shows now if the target node is valid or not
ENYO-2446: remove unnecessary code
Merge remote-tracking branch 'origin/master' into ENYO-2446-1
ENYO-2446: add the drag capability disabling or not (per default) for HermesFileTree and activate it for "Harmonia"
ENYO-2446: modify cursor icon during DnD accordingly to the kind of the dragged node and and the validation or not of the target node
* forbidden icon if node is a "package".js
* move icon instead
* link icon if target can receive the dragged node
Merge remote-tracking branch 'origin/master' into ENYO-2446-1
Merge branch 'master' into ENYO-2446-1
Merge pull request #327 from enyojs/ENYO-2446-1

ENYO-2446: Drag'n'drop in file manager