Update nuspec. LicenseUrl->License, IconUrl->Icon

Author: StephenMolloy

src/Packages/Microsoft.CodeDom.Providers.DotNetCompilerPlatform/Microsoft.CodeDom.Providers.DotNetCompilerPlatform.nuproj

@@ -77,6 +77,9 @@
     <NuGetContent Include="tools\$(LocalRoslyn472FolderName)\*">
       <Destination>tools\$(LocalRoslyn472FolderName)</Destination>
     </NuGetContent>
+    <NuGetContent Include="..\icons\*">
+      <Destination>icons</Destination>
+    </NuGetContent>
   </ItemGroup>
   <Import Project="$(RepositoryRoot)Tools\NuGetProj.targets"/>
   <Target Name="SignPowerShellScript" Condition=" '$(SignAssembly)' == 'true' " AfterTargets="BeforeBuild">

src/Packages/Microsoft.CodeDom.Providers.DotNetCompilerPlatform/Microsoft.CodeDom.Providers.DotNetCompilerPlatform.nuspec

@@ -14,8 +14,7 @@
         <summary>Replacement CodeDOM providers that use the new .NET Compiler Platform ("Roslyn") compiler as a service APIs.</summary>
         <language>en-US</language>
         <projectUrl>https://github.com/aspnet/RoslynCodeDomProvider</projectUrl>
-        <iconUrl>http://go.microsoft.com/fwlink/?LinkID=288859</iconUrl>
-        <licenseUrl>https://licenses.nuget.org/MIT</licenseUrl>
+        <icon>icons\dotnet.png</icon>
         <license type="expression">MIT</license>
         <requireLicenseAcceptance>true</requireLicenseAcceptance>
         <tags>Roslyn CodeDOM Compiler CSharp VB.Net ASP.NET</tags>