Fix sliding bug when doing multitouch sliding.

The best way to reproduce it is to slide whith one finger, and in the middle of the slide (and without stop touching) add another finger and slide up
this way, the slides look mixed up.

Author: Christoph Schlumpf

dist/angular-carousel.js

@@ -1,6 +1,6 @@
 /**
  * Angular Carousel - Mobile friendly touch carousel for AngularJS
- * @version v1.0.0 - 2015-10-09
+ * @version v1.0.1 - 2015-11-16
  * @link http://revolunet.github.com/angular-carousel
  * @author Julien Bouquillon <[email protected]>
  * @license MIT License, http://www.opensource.org/licenses/MIT
@@ -374,9 +374,12 @@ angular.module('angular-carousel').run(['$templateCache', function($templateCach
                                 duration: options.transitionDuration,
                                 easing: options.transitionEasing,
                                 step: function(state) {
-                                    updateSlidesPosition(state.x);
+                                    if (isFinite(state.x)) {
+                                      updateSlidesPosition(state.x);
+                                    }
                                 },
-                                finish: function() {
+
+                              finish: function() {
                                     scope.$apply(function() {
                                         scope.carouselIndex = index;
                                         offset = index * -100;