Update dotnet-zip, dotnet-tarball targets

dotnet-zip/Program.cs

@@ -0,0 +1,24 @@
+using System.Diagnostics;
+
+class Program
+{
+    static void Main(string[] args)
+    {
+        var msbArguments = $"msbuild /t:CreateZip";
+
+        var psi = new ProcessStartInfo
+        {
+            FileName = "dotnet",
+            Arguments = msbArguments
+        };
+
+        var process = new Process
+        {
+            StartInfo = psi,
+
+        };
+
+        process.Start();
+        process.WaitForExit();
+    }
+}

dotnet-zip/dotnet-zip.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp1.0</TargetFramework>
+    <VersionPrefix>0.1.1</VersionPrefix>
+  </PropertyGroup>
+  <ItemGroup>
+    <BuiltProjectOutputGroupOutput Include="$(ProjectRuntimeConfigFilePath)">
+      <FinalOutputPath>$(ProjectRuntimeConfigFilePath)</FinalOutputPath>
+    </BuiltProjectOutputGroupOutput>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="Program.cs" />
+  </ItemGroup>
+</Project>