pull to refresh

www/views/walletDetails.html

@@ -11,6 +11,12 @@
   </ion-nav-bar>
 
   <ion-content delegate-handle="my-handle">
+    <ion-refresher
+      ng-if="isCordova"
+      pulling-icon="ion-ios-refresh"
+      spinner="ios-small"
+      on-refresh="onRefresh()">
+    </ion-refresher>
     <div class="oh pr" ng-show="wallet && wallet.isComplete()">
       <div ng-style="{'background-color':wallet.color}" class="amount">
         <div ng-if="!notAuthorized && !updatingStatus">