fix(slideBox): make does-continue attribute work continuously

Closes #575

Author: ajoslin

js/ext/angular/test/slideBox.html

@@ -46,7 +46,7 @@
       <ion-side-menus>
         <ion-pane ion-side-menu-content>
           <ion-header-bar left-buttons="leftButtons" right-buttons="rightButtons" title=""></ion-header-bar>
-          <ion-slide-box on-slide-changed="slideChanged(index)">
+          <ion-slide-box on-slide-changed="slideChanged(index)" does-continue="true">
             <ion-slide ng-controller="FirstSlideCtrl">
               <h3>Thank you for choosing the Awesome App!</h3>
               <div id="logo">

js/views/sliderView.js

@@ -229,7 +229,7 @@ ionic.views.Slider = ionic.views.View.inherit({
 
     function stop() {
 
-      delay = 0;
+      delay = options.auto || 0;
       clearTimeout(interval);
 
     }