Moved application code to the Application layer

Imported Win10 project
Code cleanup
WIP - Use common UWP services for Win8.1 and Win10

ModernKeePass10/Views/EntryPage.xaml.cs

@@ -0,0 +1,21 @@
+using Windows.UI.Xaml.Navigation;
+using ModernKeePass.ViewModels.ListItems;
+
+namespace ModernKeePass.Views
+{
+    public partial class EntryPage
+    {
+        public EntryItemViewModel ViewModel { get; set; }
+
+        public EntryPage()
+        {
+            InitializeComponent();
+        }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+            if (e.Parameter is EntryItemViewModel entry) ViewModel = entry;
+        }
+    }
+}