Generate CSV using a new plugin

public/views/preferencesHistory.html

@@ -7,9 +7,9 @@
   <h4></h4>
   <ul class="no-bullet m0">
     <li>
-      <div ng-show="!index.isCordova">
-        <input id="export_file" type="file" nwsaveas="Copay-{{index.alias || index.walletName}}.csv" accept=".csv" style="display:none">
-        <a ng-style="{'color':index.backgroundColor}" ng-click="index.csvHistory();">
+      <div ng-if="!index.isCordova" ng-init="index.csvHistory()">
+
+        <a ng-style="{'color':index.backgroundColor}" ng-csv="index.csvContent" csv-header="index.csvHeader" filename="{{ index.csvFilename }}">
           <span translate>Export to file</span>
         </a>
       </div>

public/views/walletHome.html

@@ -175,7 +175,7 @@
             <div translate>Updating transaction history. Please stand by.</div>
           </div>
         </div>
-      </div>
+      </div> 
 
       <div class="oh pr" ng-show="index.txHistory[0]">
         <h4 class="title m0">