use office.js production (#9)

Author: akrantz

src/taskpane/taskpane.html

@@ -11,7 +11,7 @@
     <title>Contoso Task Pane Add-in</title>
 
     <!-- Office JavaScript API -->
-    <script type="text/javascript" src="https://appsforoffice.microsoft.com/lib/1.1/hosted/office.debug.js"></script>
+    <script type="text/javascript" src="https://appsforoffice.microsoft.com/lib/1.1/hosted/office.js"></script>
 
     <!-- LOCAL -->
     <link rel="stylesheet" href="node_modules/office-ui-fabric-js/dist/css/fabric.min.css" />