[calamares] Use the ViewManager model to show steps

src/calamares/calamares-sidebar.qml

@@ -1,12 +1,35 @@
 import QtQuick 2.3
+import io.calamares.ui 1.0
+import io.calamares.core 1.0
+
+Column {
 
 Rectangle {
+    id: hello
     width: 200
     height: 100
     color: "red"
 
     Text {
         anchors.centerIn: parent
-        text: "Hello, World!"
+        text: Branding.string(Branding.VersionedName)
     }
 }
+
+/* perhaps we could show a branding image here */
+
+Repeater {
+    model: ViewManager
+    Rectangle {
+        width: 200
+        height: 75
+        color: "black"
+
+        Text {
+            color: completed ? "green" : "yellow"
+            text: display
+        }
+    }
+}
+
+}