Marked all service implementations as internal

Core - Enabled XML docs
Modules - Added DI to module VMs

src/Artemis.UI.Shared/Services/DataModelVisualizationService.cs

@@ -18,7 +18,7 @@ using Stylet;
 
 namespace Artemis.UI.Shared.Services
 {
-    public class DataModelVisualizationService : IDataModelVisualizationService
+    internal class DataModelVisualizationService : IDataModelVisualizationService
     {
         private readonly IDataModelService _dataModelService;
         private readonly IKernel _kernel;

src/Artemis.UI.Shared/Services/Dialog/DialogService.cs

@@ -12,7 +12,7 @@ using Stylet;
 
 namespace Artemis.UI.Shared.Services.Dialog
 {
-    public class DialogService : IDialogService
+    internal class DialogService : IDialogService
     {
         private readonly IKernel _kernel;
         private readonly IViewManager _viewManager;

src/Artemis.UI.Shared/Services/GradientPickerService.cs

@@ -6,7 +6,7 @@ using Artemis.UI.Shared.Services.Interfaces;
 
 namespace Artemis.UI.Shared.Services
 {
-    public class GradientPickerService : IGradientPickerService
+    internal class GradientPickerService : IGradientPickerService
     {
         private readonly IDialogService _dialogService;
 

src/Artemis.UI.Shared/Services/ProfileEditorService.cs

@@ -15,7 +15,7 @@ using Serilog;
 
 namespace Artemis.UI.Shared.Services
 {
-    public class ProfileEditorService : IProfileEditorService
+    internal class ProfileEditorService : IProfileEditorService
     {
         private readonly ILogger _logger;
         private readonly IProfileService _profileService;