Moved application code to the Application layer

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

ModernKeePass10/ViewModels/ListItems/SettingsSaveViewModel.cs

@@ -0,0 +1,24 @@
+using Autofac;
+using ModernKeePass.Domain.Interfaces;
+
+namespace ModernKeePass.ViewModels.ListItems
+{
+    public class SettingsSaveViewModel
+    {
+        private readonly ISettingsService _settings;
+
+        public SettingsSaveViewModel() : this(App.Container.Resolve<ISettingsService>())
+        { }
+
+        public SettingsSaveViewModel(ISettingsService settings)
+        {
+            _settings = settings;
+        }
+
+        public bool IsSaveSuspend
+        {
+            get => _settings.GetSetting("SaveSuspend", true);
+            set => _settings.PutSetting("SaveSuspend", value);
+        }
+    }
+}