Droppable: Make sure._drop is called for all relevant droppables. Fix…

…es #6009 - Upper droppable should receive draggable. Fixes #6085 - Parent droppable takes precedence over dynamically created child droppable.

ui/jquery.ui.droppable.js

@@ -224,7 +224,7 @@ $.ui.ddmanager = {

			if(!this.options) return;
			if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance))
				dropped = dropped || this._drop.call(this, event);
				dropped = this._drop.call(this, event) || dropped;

			if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
				this.isout = 1; this.isover = 0;