Move all database logic in machine view out of the view into the controller.

Marechai/ViewModels/MemoryViewModel.cs

@@ -0,0 +1,12 @@
+using Marechai.Database;
+
+namespace Marechai.ViewModels
+{
+    public class MemoryViewModel
+    {
+        public MemoryType  Type  { get; set; }
+        public MemoryUsage Usage { get; set; }
+        public long?       Size  { get; set; }
+        public double?     Speed { get; set; }
+    }
+}