Profile editor - Redesigned adding/removing timeline segments

General module - Added some basic window information to the data model
Profiles - Don't render when opacity is 0
Profile editor - Render non-selected layers in their main segment
Profile editor - Condition editor fixes

src/Plugins/Artemis.Plugins.Modules.General/DataModel/Windows/WindowsDataModel.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Artemis.Plugins.Modules.General.DataModel.Windows
+{
+    public class WindowsDataModel
+    {
+        public WindowDataModel ActiveWindow { get; set; }
+        public List<WindowDataModel> OpenWindows { get; set; }
+    }
+}