Items visibility

Author: msmolka

src/Directory.Build.props

@@ -38,8 +38,8 @@
 
   <ItemGroup>
     <AdditionalFiles Include="..\..\stylecop.json" Link="stylecop.json"/>
-    <None Include="..\..\LICENSE" Pack="true" PackagePath="\" />
-    <None Include="..\..\README.md" Pack="true" PackagePath="\" />
+    <None Include="..\..\LICENSE" Pack="true" PackagePath="\"  Visible="false"/>
+    <None Include="..\..\README.md" Pack="true" PackagePath="\" Visible="false"/>
   </ItemGroup>
 
   <ItemGroup>