Implement ItemComment view model and view.

- NEU: Optionale Kommentare zu Laborwerten.

zaaReloaded2/Views/ItemCommentView.xaml.cs

@@ -0,0 +1,33 @@
+/* ItemCommentView.xaml.cs
+ * part of zaaReloaded2
+ * 
+ * Copyright 2015 Daniel Kraus
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System.Windows;
+
+namespace zaaReloaded2.Views
+{
+    /// <summary>
+    /// Interaction logic for ItemCommentView.xaml
+    /// </summary>
+    public partial class ItemCommentView : Window
+    {
+        public ItemCommentView()
+        {
+            InitializeComponent();
+        }
+    }
+}