avoid flickers on transitions and fixes hidden tab bug

www/views/amazonCards.html

@@ -1,4 +1,4 @@
-<ion-view>
+<ion-view show-tabs>
   <ion-nav-bar class="bar-royal">
     <ion-nav-back-button>
     </ion-nav-back-button>
@@ -16,7 +16,7 @@
         </ion-spinner>
         <h2 ng-if="item.amount">
           {{item.amount | currency : '$ ' : 2}} {{item.currency}}
-        </h2> 
+        </h2>
         <p>
           <span class="assertive" ng-if="item.status == 'FAILURE' || item.status == 'RESEND'">Error</span>
           <span class="assertive" ng-if="item.status == 'expired'">Expired</span>