feat(ticks): Accept numbers for showTicks/showTicksValues

Thanks to this feature, you can display ticks at intermediate positions without setting a fixed step

Author: ValentinH

dist/rzslider.js

@@ -751,12 +751,13 @@
        */
       updateTicksScale: function() {
         if (!this.options.showTicks) return;
-
-        var positions = '',
-          ticksCount = Math.round((this.maxValue - this.minValue) / this.step) + 1;
+        var step = this.step;
+        if(angular.isNumber(this.options.showTicks))
+          step = this.options.showTicks;
+        var ticksCount = Math.round((this.maxValue - this.minValue) / step) + 1;
         this.scope.ticks = [];
         for (var i = 0; i < ticksCount; i++) {
-          var value = this.roundStep(this.minValue + i * this.step);
+          var value = this.roundStep(this.minValue + i * step);
           var tick = {
             selected: this.isTickSelected(value)
           };