Rename main window f

Author: ryanlua

AuraClick/MainWindow.xaml

@@ -23,7 +23,7 @@
             x:Name="AppTitleBar"
             x:Uid="AppTitleBar"
             BackRequested="TitleBar_BackRequested"
-            IsBackButtonVisible="{x:Bind RootFrame.CanGoBack, Mode=OneWay}">
+            IsBackButtonVisible="{x:Bind NavFrame.CanGoBack, Mode=OneWay}">
             <TitleBar.IconSource>
                 <ImageIconSource ImageSource="Assets/AppIcon.ico" />
             </TitleBar.IconSource>
@@ -34,6 +34,6 @@
             MainPage.xaml rather than here so you can use Page features such as
             navigation events and the Loaded lifecycle.
         -->
-        <Frame x:Name="RootFrame" Grid.Row="1" />
+        <Frame x:Name="NavFrame" Grid.Row="1" />
     </Grid>
 </windowex:WindowEx>

AuraClick/MainWindow.xaml.cs

@@ -42,11 +42,11 @@ public MainWindow()
         AppWindow.SetIcon("Assets/AppIcon.ico");
 
         // Navigate the root frame to the main page on startup.
-        RootFrame.Navigate(typeof(MainPage));
+        NavFrame.Navigate(typeof(MainPage));
     }
 
     private void TitleBar_BackRequested(TitleBar sender, object args)
     {
-        RootFrame.GoBack();
+        NavFrame.GoBack();
     }
 }