Fixes #106 (rz-slider-on-change fires before value is changed)

bower.json

 {
   "name": "angularjs-slider",
-  "version": "0.1.25",
+  "version": "0.1.26",
   "homepage": "https://github.com/rzajac/angularjs-slider",
   "authors": [
     "Rafal Zajac <rzajac@gmail.com>",

package.json

 {
   "name": "jusas-angularjs-slider",
-  "version": "0.1.25",
+  "version": "0.1.26",
   "description": "AngularJS slider directive with no external dependencies. Mobile friendly!.",
   "main": "rzslider.js",
   "repository": {

rzslider.js

@@ -608,7 +608,6 @@ function throttle(func, wait, options) {
      */
     updateHandles: function(which, newOffset)
     {
-      this.callOnChange();
       if(which === 'rzSliderModel')
       {
         this.updateLowHandle(newOffset);
@@ -1135,6 +1134,7 @@ function throttle(func, wait, options) {
           this.maxH.addClass('rz-active');
            /* We need to apply here because we are not sure that we will enter the next block */
           this.scope.$apply();
+          this.callOnChange();
         }
         else if(this.tracking === 'rzSliderHigh' && newValue <= this.scope.rzSliderModel)
         {
@@ -1145,6 +1145,7 @@ function throttle(func, wait, options) {
           this.minH.addClass('rz-active');
            /* We need to apply here because we are not sure that we will enter the next block */
           this.scope.$apply();
+          this.callOnChange();
         }
       }
 
@@ -1153,6 +1154,7 @@ function throttle(func, wait, options) {
         this.scope[this.tracking] = newValue;
         this.updateHandles(this.tracking, newOffset);
         this.scope.$apply();
+        this.callOnChange();
       }
     },