Add support for building extra platform assemblies from within the ID…

…E by calling out to the NAnt script.

vs2010-nms-net2.0.csproj

@@ -164,7 +164,11 @@
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSHARP.Targets" />
   <PropertyGroup>
-    <PostBuildEvent>if /i "$(install_skip)" equ "true" (
+    <PostBuildEvent>if /i "$(build_extraplatforms)" equ "true" (
+    nant -nologo -q build -D:build.framework.strings="netcf-2.0,netcf-3.5,mono-2.0"
+)
+
+if /i "$(install_skip)" equ "true" (
    echo Skipping install...
    goto :installskip
 )