Added option to set value when clicking on scale

[dannnylo]

Added option scaleClicable

$('.slider').jRange({
    from: 0,to: 3,
    step: 1,
    format: '%s',
    width: 380,
    showLabels: false, showScale: true,
    scaleClicable: true,
    scale: [I18n.t("_select"), "A", "B", "C"]
});