Revert "removed SCANtoolbar.cs, unused"

This reverts commit 36914b7.

Author: DMagic1

SCANsat.csproj

@@ -60,6 +60,7 @@
     <Compile Include="SCANmap.cs" />
     <Compile Include="RemoteView.cs" />
     <Compile Include="SCANquickload.cs" />
+    <Compile Include="SCANtoolbar.cs" />
     <Compile Include="SCANtoolbarwrapper.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />