Add a ToolAttributes.cs class, right now it just has a released flag, mark a few tools as unreleased, eventually there's code that will take advantage of this flag

BizHawk.Client.EmuHawk/BizHawk.Client.EmuHawk.csproj

@@ -614,6 +614,7 @@
       <DependentUpon>RomStatusPicker.cs</DependentUpon>
     </Compile>
     <Compile Include="Throttle.cs" />
+    <Compile Include="ToolAttributes.cs" />
     <Compile Include="tools\Atari2600\Atari2600Debugger.cs">
       <SubType>Form</SubType>
     </Compile>

BizHawk.Client.EmuHawk/ToolAttributes.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Drawing;
+
+namespace BizHawk.Client.EmuHawk
+{
+	[AttributeUsage(AttributeTargets.Class)]
+	public class ToolAttributes : Attribute
+	{
+		public ToolAttributes(bool released)
+		{
+			Released = released;
+		}
+
+		public bool Released { get; private set; }
+	}
+}

BizHawk.Client.EmuHawk/tools/Atari2600/Atari2600Debugger.cs

@@ -13,6 +13,7 @@ using BizHawk.Emulation.Common;
 
 namespace BizHawk.Client.EmuHawk
 {
+	[ToolAttributes(released: false)]
 	public partial class Atari2600Debugger : Form, IToolForm
 	{
 		// TODO:

BizHawk.Client.EmuHawk/tools/Debugger/GenericDebugger.cs

@@ -13,6 +13,7 @@ using BizHawk.Client.Common;
 
 namespace BizHawk.Client.EmuHawk
 {
+	[ToolAttributes(released: false)]
 	public partial class GenericDebugger : Form, IToolForm, IControlMainform
 	{
 		private int _defaultWidth;