Make sure the library can be minified (#19)

Author: geoffreybauduin

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "ion.rangeslider-angularjs",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "homepage": "https://github.com/lght/ion-range-slider-angularjs/",
   "authors": [
     "Geoffrey Bauduin <[email protected]>"

ionic-range-slider.js

@@ -5,7 +5,7 @@
 angular.module("ion.rangeslider", []);
 
 angular.module("ion.rangeslider").directive("ionRangeSlider",
-    function($timeout) {
+    ['$timeout', function($timeout) {
         return {
             restrict: "A",
             scope: {
@@ -147,5 +147,5 @@ angular.module("ion.rangeslider").directive("ionRangeSlider",
             }
         };
 
-    }
+    }]
 );