Fix Viewer opening bugs in OHIF Viewer (OHIF-49)

Packages/viewerbase/client/components/viewer/loadingIndicator/loadingIndicator.html

@@ -1,7 +1,7 @@
 <template name="loadingIndicator">
     <div class="imageViewerLoadingIndicator loadingIndicator">
         <div class="indicatorContents">
-            <p>Loading... {{percentComplete}}</p>
+            <p>Loading... <i class="fa fa-spin fa-circle-o-notch fa-fw"></i> {{percentComplete}}</p>
         </div>
     </div>
     <div class="imageViewerErrorLoadingIndicator loadingIndicator">