Resize autoheight

;(function($, window, document, undefined) {

    /**
     * Creates the auto height plugin.
     * @class The Auto Height Plugin
     * @param {Owl} carousel - The Owl Carousel
     */
    var HeightAuto = function(carousel) {
        /**
         * Reference to the core.
         * @protected
         * @type {Owl}
         */
        this._core = carousel;

        /**
         * All event handlers.
         * @protected
         * @type {Object}
         */
        this._handlers = {
            'initialized.owl.carousel': $.proxy(function() {
                if (this._core.settings.heightAuto) {
                    this.update();
                }
            }, this),
            'changed.owl.carousel': $.proxy(function(e) {
                if (this._core.settings.heightAuto && e.property.name == 'position'){
                    this.update();
                }
            }, this),
            'resized.owl.carousel': $.proxy(function(e) {
                if (this._core.settings.heightAuto) {
                    this.update();
                }
            }, this),
            'loaded.owl.lazy': $.proxy(function(e) {
                if (this._core.settings.heightAuto && e.element.closest('.' + this._core.settings.itemClass)
                    === this._core.$stage.children().eq(this._core.current())) {
                    this.update();
                }
            }, this)
        };

        // set default options
        this._core.options = $.extend({}, HeightAuto.Defaults, this._core.options);

        // register event handlers
        this._core.$element.on(this._handlers);
    };

    /**
     * Default options.
     * @public
     */
    HeightAuto.Defaults = {
        heightAuto: false,
        heightAutoClass: 'owl-height'
    };

    /**
     * Updates the view.
     */
    HeightAuto.prototype.update = function() {
        this._core.$stage.parent()
            .height(this._core.$stage.children().eq(this._core.current()).height())
            .addClass(this._core.settings.heightAutoClass);
    };

    HeightAuto.prototype.destroy = function() {
        var handler, property;

        for (handler in this._handlers) {
            this._core.$element.off(handler, this._handlers[handler]);
        }
        for (property in Object.getOwnPropertyNames(this)) {
            typeof this[property] != 'function' && (this[property] = null);
        }
    };

    $.fn.owlCarousel.Constructor.Plugins.HeightAuto = HeightAuto;

})(window.Zepto || window.jQuery, window, document);