anchor.diff:  
   let setParams defaults = {
       defaults with
  -        ToolsVersion = Some("12.0")
  +        ToolsVersion = Some("14.0")
           Targets = ["Build"]
           Properties =
               [
  
positive.code:             OutputPath = packagingRoot
              Summary = projectSummary
              WorkingDir = packagingDir
              Version = "0.1.0.2"
              Dependencies =
                  ["Akka", GetPackageVersion "./packages/" "Akka"
                   "Akka.FSharp", GetPackageVersion "./packages/" "Akka.FSharp"
  
negative.code: let buildDir = "./ComposeIt.Akka.FSharp.Extensions/bin"
  let packagingRoot = "./packaging/"
  let packagingDir = packagingRoot @@ "AkkaFSharpExtensions"
  let toolPath = "./packages/NuGet.CommandLine.3.4.3/tools/NuGet.exe"
  
  let buildMode = getBuildParamOrDefault "buildMode" "Release"
  
  MSBuildDefaults <- { 
      MSBuildDefaults with 
          ToolsVersion = Some "14.0"
          Verbosity = Some MSBuildVerbosity.Minimal }
  
  Target "Clean" (fun _ ->
  