Merge pull request #411 from lextm/issue409

Fixed #409 by adding a default constructor to CommandBarControl.

src/managed/OpenLiveWriter.ApplicationFramework/CommandBarControl.cs

@@ -22,6 +22,11 @@ namespace OpenLiveWriter.ApplicationFramework
 
         protected CommandBarLightweightControl _commandBar;
 
+        public CommandBarControl()
+        {
+            InitializeComponent();
+        }
+
         public CommandBarControl(CommandBarLightweightControl commandBar, CommandBarDefinition commandBarDefinition)
         {
             // It's important that the commandBarDefinition not be set