Update Login-View

Author: norberteder

source/IdentityServer3.Contrib.Localization.UI.Tests/bin/Release/assets/_login.html

@@ -48,7 +48,7 @@ <h3 class="panel-title">[[login.local]]</h3>
         </div>
     </div>
 
-    <div class="col-md-6 col-sm-6 external-providers" ng-show="model.externalProviders">
+    <div class="col-md-6 col-sm-6 external-providers" ng-show="model.externalProviders.length">
         <div class="panel panel-default">
             <div class="panel-heading">
                 <h3 class="panel-title">[[login.external]]</h3>