Add configuration to nupkg output.

BuildTools/update-assemblyinfo.ps1

@@ -117,6 +117,7 @@ try {
         $out = $out.Replace('$INSERTBRANCHPOSTFIX$', $postfixBranchName);
 		$out = $out.Replace('$INSERTVERSIONNAME$', $versionName);
         $out = $out.Replace('$INSERTVERSIONNAMEPOSTFIX$', $postfixVersionName);
+        $out = $out.Replace('$INSERTBUILDCONFIG$', $args[0].ToString().ToLower());
 
         if (((Get-Content $file.Input) -Join [System.Environment]::NewLine) -ne $out) {
             $out | Out-File -Encoding utf8 $file.Output;

ICSharpCode.Decompiler/ICSharpCode.Decompiler.csproj

@@ -585,7 +585,7 @@
 
   <Target Name="BeforeBuild">
     <PropertyGroup>
-      <UpdateAssemblyInfo>powershell -NoProfile -ExecutionPolicy Bypass -File BuildTools/update-assemblyinfo.ps1</UpdateAssemblyInfo>
+      <UpdateAssemblyInfo>powershell -NoProfile -ExecutionPolicy Bypass -File BuildTools/update-assemblyinfo.ps1 $(Configuration)</UpdateAssemblyInfo>
     </PropertyGroup>
     <Exec WorkingDirectory=".." Command="$(UpdateAssemblyInfo)" Timeout="60000" />
   </Target>

ICSharpCode.Decompiler/ICSharpCode.Decompiler.nuspec.template

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
   <metadata>
     <id>ICSharpCode.Decompiler</id>
-    <version>$INSERTVERSION$$INSERTVERSIONNAMEPOSTFIX$</version>
+    <version>$INSERTVERSION$$INSERTVERSIONNAMEPOSTFIX$-$INSERTBUILDCONFIG$</version>
     <title>ILSpy Decompiler Engine</title>
     <authors>Daniel Grunwald, David Srbecky, Ed Harvey, Siegfried Pammer</authors>
     <owners>Daniel Grunwald, SharpDevelop</owners>