qml webengine is running

I'll need to figure out the best way to show the html slideshow later
but it's running and can accept html.

src/qml/presenter/Slide.qml

@@ -168,10 +168,11 @@ Item {
             }
         }
 
-        WebEngine {
+        WebEngineView {
             id: web
             anchors.fill: parent
-            source: webSource
+            url: webSource
+            visible: false
         }
     }