perf(initialisation): Remove the timeout call in init.

Closes #220

dist/rzslider.js

 /*! angularjs-slider - v2.4.0 - 
  (c) Rafal Zajac <rzajac@gmail.com>, Valentin Hervieu <valentin@hervieu.me>, Jussi Saarivirta <jusasi@gmail.com>, Angelin Sirbu <angelin.sirbu@gmail.com> - 
  https://github.com/angular-slider/angularjs-slider - 
- 2016-01-13 */
+ 2016-01-15 */
 /*jslint unparam: true */
 /*global angular: false, console: false, define, module */
 (function(root, factory) {
@@ -292,13 +292,10 @@
         this.calcViewDimensions();
         this.setMinAndMax();
         this.addAccessibility();
-
-        $timeout(function() {
-          self.updateCeilLab();
-          self.updateFloorLab();
-          self.initHandles();
-          self.manageEventsBindings();
-        });
+        this.updateCeilLab();
+        this.updateFloorLab();
+        this.initHandles();
+        this.manageEventsBindings();
 
         // Recalculate slider view dimensions
         this.scope.$on('reCalcViewDimensions', calcDimFn);

src/rzslider.js

@@ -296,13 +296,10 @@
         this.calcViewDimensions();
         this.setMinAndMax();
         this.addAccessibility();
-
-        $timeout(function() {
-          self.updateCeilLab();
-          self.updateFloorLab();
-          self.initHandles();
-          self.manageEventsBindings();
-        });
+        this.updateCeilLab();
+        this.updateFloorLab();
+        this.initHandles();
+        this.manageEventsBindings();
 
         // Recalculate slider view dimensions
         this.scope.$on('reCalcViewDimensions', calcDimFn);

tests/spec/rz-slider-service-test.js

@@ -61,7 +61,6 @@ describe('rzslider - ', function() {
     angular.element(document).find('body').append(parent);
     scope.$digest();
     slider = element.isolateScope().slider;
-    $timeout.flush();
   }
 
   /*