Data model visualization - Moved services and VMs to UI.Shared

Data model visualization - Added support for custom display VMs
Data model visualization - Added framework for custom input VMs
Shared UI - Made internal converters public

src/Artemis.UI.Shared/DataModelVisualization/Shared/DataModelListViewModel.cs

@@ -0,0 +1,79 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using Artemis.Core.Plugins.Abstract.DataModels.Attributes;
+using Artemis.UI.Shared.Services;
+using Stylet;
+
+namespace Artemis.UI.Shared.DataModelVisualization.Shared
+{
+    public class DataModelListViewModel : DataModelVisualizationViewModel
+    {
+        private readonly IDataModelVisualizationService _dataModelVisualizationService;
+        private BindableCollection<DataModelVisualizationViewModel> _children;
+        private string _count;
+        private IList _list;
+
+        internal DataModelListViewModel(PropertyInfo propertyInfo, DataModelPropertyAttribute propertyDescription, DataModelVisualizationViewModel parent, 
+            IDataModelVisualizationService dataModelVisualizationService)
+        {
+            _dataModelVisualizationService = dataModelVisualizationService;
+            PropertyInfo = propertyInfo;
+            Parent = parent;
+            PropertyDescription = propertyDescription;
+            Children = new BindableCollection<DataModelVisualizationViewModel>();
+        }
+
+        public BindableCollection<DataModelVisualizationViewModel> Children
+        {
+            get => _children;
+            set => SetAndNotify(ref _children, value);
+        }
+
+        public IList List
+        {
+            get => _list;
+            set => SetAndNotify(ref _list, value);
+        }
+
+        public string Count
+        {
+            get => _count;
+            set => SetAndNotify(ref _count, value);
+        }
+
+        public override void Update()
+        {
+            if (PropertyInfo != null && Parent?.Model != null && PropertyInfo.GetValue(Parent.Model) is IList listValue)
+            {
+                Model = new List<object>(listValue.Cast<object>());
+                List = (IList) Model;
+            }
+
+            var index = 0;
+            foreach (var item in List)
+            {
+                DataModelVisualizationViewModel child;
+                if (Children.Count <= index)
+                {
+                    child = CreateChild(_dataModelVisualizationService, item);
+                    Children.Add(child);
+                }
+                else
+                {
+                    child = Children[index];
+                    child.Model = item;
+                }
+
+                child.Update();
+                index++;
+            }
+
+            while (Children.Count > List.Count)
+                Children.RemoveAt(Children.Count - 1);
+
+            Count = $"{Children.Count} {(Children.Count == 1 ? "item" : "items")}";
+        }
+    }
+}