Use common GPodderPlayback component from gpodder-ui-qml

qml/Main.qml

@@ -45,6 +45,10 @@ PodcastsPage {
         id: py
     }
 
+    GPodderPlayback {
+        id: player
+    }
+
     function loadPage(filename, properties) {
         var component = Qt.createComponent(filename);
         if (component.status != Component.Ready) {
@@ -58,10 +62,6 @@ PodcastsPage {
         }
     }
 
-    Player {
-        id: player
-    }
-
     BusyIndicator {
         size: BusyIndicatorSize.Large
         anchors.centerIn: parent