Moved application code to the Application layer

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

ModernKeePass10/Views/UserControls/BreadCrumbUserControl.xaml.cs

@@ -0,0 +1,29 @@
+using System.Collections.Generic;
+using Windows.UI.Xaml;
+using ModernKeePass.Domain.Entities;
+
+// The User Control item template is documented at http://go.microsoft.com/fwlink/?LinkId=234236
+
+namespace ModernKeePass.Views.UserControls
+{
+    public sealed partial class BreadCrumbUserControl
+    {
+        public BreadCrumbUserControl()
+        {
+            InitializeComponent();
+        }
+
+        public IEnumerable<Entity> ItemsSource
+        {
+            get => (IEnumerable<Entity>)GetValue(ItemsSourceProperty);
+            set => SetValue(ItemsSourceProperty, value);
+        }
+
+        public static readonly DependencyProperty ItemsSourceProperty =
+            DependencyProperty.Register(
+                "ItemsSource",
+                typeof(IEnumerable<Entity>),
+                typeof(BreadCrumbUserControl),
+                new PropertyMetadata(new Stack<Entity>(), (o, args) => { }));
+    }
+}