Implement ItemComment view model and view.

- NEU: Optionale Kommentare zu Laborwerten.

Tests/ViewModels/ItemCommentViewModelTest.cs

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+/* ItemCommentViewModelTest.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;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+using zaaReloaded2.Controller.Comments;
+using zaaReloaded2.ViewModels;
+
+namespace Tests.ViewModels
+{
+    [TestFixture]
+    class ItemCommentViewModelTest
+    {
+        [Test]
+        public void Properties()
+        {
+            ItemComment comment = new ItemComment("item", "pre", "val", "suf");
+            ItemCommentViewModel vm = new ItemCommentViewModel(comment);
+            Assert.AreEqual(comment.Item, vm.Item);
+            Assert.AreEqual(comment.Prefix, vm.Prefix);
+            Assert.AreEqual(comment.Suffix, vm.Suffix);
+            Assert.AreEqual(comment.Value, vm.Value);
+        }
+    }
+}