show loading spinner at the end of tx history list

public/views/walletDetails.html

@@ -9,6 +9,7 @@
       </button>
     </ion-nav-buttons>
   </ion-nav-bar>
+
   <ion-content delegate-handle="my-handle">
     <div class="oh pr" ng-show="wallet && wallet.isComplete()">
       <div ng-style="{'background-color':wallet.color}" class="amount">
@@ -103,7 +104,6 @@
         </div>
       </div>
 
-
       <!-- Transactions -->
 
       <div class="oh pr m20t text-gray size-12 text-center"
@@ -173,15 +173,12 @@
             </div>
             <span class="label tu warning radius" ng-if="btx.action == 'invalid'" translate>Invalid</span>
           </h2>
-
         </div>
-
+      </div>
       <ion-infinite-scroll
         ng-if="txHistoryShowMore"
         on-infinite="showMore()"
         distance="1%">
       </ion-infinite-scroll>
-      </div>
-
   </ion-content>
 </ion-view>

src/js/controllers/walletDetails.js

@@ -153,9 +153,11 @@ angular.module('copayApp.controllers').controller('walletDetailsController', fun
   };
 
   $scope.showMore = function() {
+    $timeout(function() {
       currentTxHistoryPage++;
       $scope.showHistory();
       $scope.$broadcast('scroll.infiniteScrollComplete');
+    }, 100);
   };
 
   $scope.updateAll = function(force, cb)  {