adjust VS2010 project file

Author: dsyme

tests/projects/Sample_VS2010_FSharp_ConsoleApp_net35/SampleVisualStudio2010FSharpConsoleApp/SampleVisualStudio2010FSharpConsoleApp.fsproj

@@ -44,9 +44,15 @@
   <ItemGroup>
     <Compile Include="Program.fs" />
   </ItemGroup>
+<!--
+These lines in VS2010 projects need to be adjusted to compile with F# 4.1 on Mono/Linux/Mac, because Microsoft.Build.Tasks.v4.0.dll is no longer in MSBuildBinPath (?)
+
   <Import Project="$(MSBuildExtensionsPath32)\FSharp\1.0\Microsoft.FSharp.Targets" Condition="!Exists('$(MSBuildBinPath)\Microsoft.Build.Tasks.v4.0.dll')" />
   <Import Project="$(MSBuildExtensionsPath32)\..\Microsoft F#\v4.0\Microsoft.FSharp.Targets" Condition=" Exists('$(MSBuildBinPath)\Microsoft.Build.Tasks.v4.0.dll')" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+-->
+  <Import Project="$(MSBuildExtensionsPath32)\..\Microsoft F#\v4.0\Microsoft.FSharp.Targets" />
+
+	<!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
 	     Other similar extension points exist, see Microsoft.Common.targets.
 	<Target Name="BeforeBuild">
 	</Target>

tests/projects/Sample_VS2010_FSharp_ConsoleApp_net40/SampleVisualStudio2010FSharpConsoleApp/SampleVisualStudio2010FSharpConsoleApp.fsproj

@@ -48,8 +48,14 @@
   <ItemGroup>
     <Compile Include="Program.fs" />
   </ItemGroup>
+<!--
+These lines in VS2010 projects need to be adjusted to compile with F# 4.1 on Mono/Linux/Mac, because Microsoft.Build.Tasks.v4.0.dll is no longer in MSBuildBinPath (?)
+
   <Import Project="$(MSBuildExtensionsPath32)\FSharp\1.0\Microsoft.FSharp.Targets" Condition="!Exists('$(MSBuildBinPath)\Microsoft.Build.Tasks.v4.0.dll')" />
   <Import Project="$(MSBuildExtensionsPath32)\..\Microsoft F#\v4.0\Microsoft.FSharp.Targets" Condition=" Exists('$(MSBuildBinPath)\Microsoft.Build.Tasks.v4.0.dll')" />
+-->
+  <Import Project="$(MSBuildExtensionsPath32)\..\Microsoft F#\v4.0\Microsoft.FSharp.Targets" />
+
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
 	     Other similar extension points exist, see Microsoft.Common.targets.
 	<Target Name="BeforeBuild">