Publish packages under teh configruation dir (#4776)

Author: mmitche

PublishToBlob.proj

@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <!-- this should pick up both *.nupkg and *.symbols.nupkg -->
-    <NuGetPackages Include="$(MSBuildThisFileDirectory)artifacts\Microsoft.FSharp.Compiler.*.nupkg" />
+    <NuGetPackages Include="$(MSBuildThisFileDirectory)$(Configuration)\artifacts\Microsoft.FSharp.Compiler.*.nupkg" />
   </ItemGroup>
 
   <Target Name="Build">