* @class elFinder command "selectnone"
* Unselect ALL of cwd items
elFinder.prototype.commands.selectnone = function() {
fm.bind('select', function(e) {
state = (e.data && e.data.unselectall)? -1 : 0;
this.updateOnSelect = false;
this.getstate = function() {
fm.getUI('cwd').trigger('unselectall');
return $.Deferred().resolve();