Added flag to capture analytics once per element

jquery-analytics.js

    var settings = {
        attributes: [],
        assignTo: ["a", "input[type='submit']"],
        captureOnce: false,
        client: null,
        exclude: ".analytics-exclude",
        url: null
                data: data
            })
            .always(function () {
                $this.addClass("analytics-captured");
                if (settings.captureOnce) {
                    $this.addClass("analytics-captured");
                }
            });
        }
    };