replace deprecated nuspec `iconUrl` element with `icon`

.gitattributes

@@ -26,3 +26,5 @@ mono/config.make text eol=lf
 targets.make text eol=lf
 
 *.bsl linguist-vendored=true
+
+*.png binary

fcs/FSharp.Compiler.Service.MSBuild.v12/FSharp.Compiler.Service.MSBuild.v12.fsproj

@@ -13,10 +13,11 @@
     <Authors>Microsoft Corporation; F# community contributors</Authors>
     <PackageLicenseUrl>https://github.com/fsharp/FSharp.Compiler.Service/blob/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/fsharp/FSharp.Compiler.Service</PackageProjectUrl>
-    <PackageIconUrl>https://raw.github.com/fsharp/FSharp.Compiler.Service/master/misc/logo.png</PackageIconUrl>
+    <PackageIcon>logo.png</PackageIcon>
     <PackageTags>F#, compiler, msbuild</PackageTags>
   </PropertyGroup>
   <ItemGroup>
+    <None Include="$(MSBuildThisFileDirectory)..\misc\logo.png" Pack="true" Visible="false" PackagePath="" />
     <Compile Include="$(FSharpSourcesRoot)\fsharp\LegacyMSBuildReferenceResolver.fs">
       <Link>Service/MSBuildReferenceResolver.fs</Link>
     </Compile>

fcs/FSharp.Compiler.Service.ProjectCracker/FSharp.Compiler.Service.ProjectCracker.fsproj

@@ -11,10 +11,11 @@
     <Authors>Microsoft Corporation; F# community contributors</Authors>
     <PackageLicenseUrl>https://github.com/fsharp/FSharp.Compiler.Service/blob/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/fsharp/FSharp.Compiler.Service</PackageProjectUrl>
-    <PackageIconUrl>https://raw.github.com/fsharp/FSharp.Compiler.Service/master/misc/logo.png</PackageIconUrl>
+    <PackageIcon>logo.png</PackageIcon>
     <PackageTags>F#, compiler, msbuild</PackageTags>
   </PropertyGroup>
   <ItemGroup>
+    <None Include="$(MSBuildThisFileDirectory)..\misc\logo.png" Pack="true" Visible="false" PackagePath="" />
     <Compile Include="..\FSharp.Compiler.Service.ProjectCrackerTool\ProjectCrackerOptions.fs">
       <Link>ProjectCrackerOptions.fs</Link>
     </Compile>

fcs/FSharp.Compiler.Service/FSharp.Compiler.Service.fsproj

@@ -25,7 +25,7 @@
     <Authors>Microsoft Corporation; F# community contributors</Authors>
     <PackageLicenseUrl>https://github.com/fsharp/FSharp.Compiler.Service/blob/master/LICENSE</PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/fsharp/FSharp.Compiler.Service</PackageProjectUrl>
-    <PackageIconUrl>https://raw.github.com/fsharp/FSharp.Compiler.Service/master/misc/logo.png</PackageIconUrl>
+    <PackageIcon>logo.png</PackageIcon>
     <PackageTags>F#, fsharp, interactive, compiler, editor</PackageTags>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
@@ -38,6 +38,7 @@
     <DefineConstants>$(DefineConstants);FX_RESHAPED_REFEMIT</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
+    <None Include="$(MSBuildThisFileDirectory)..\misc\logo.png" Pack="true" Visible="false" PackagePath="" />
     <Compile Include="..\FSharp.Compiler.Service\AssemblyInfo.fs">
       <Link>AssemblyInfo/AssemblyInfo.fs</Link>
     </Compile>

src/fsharp/FSharp.Core.nuget/FSharp.Core.nuget.csproj

@@ -9,6 +9,10 @@
     <PackageDescription>FSharp.Core redistributables from Visual F# Tools version $(FSPackageMajorVersion) For F# $(FSCoreMajorVersion).  Contains code from the F# Software Foundation.</PackageDescription>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Content Include="icon.png" CopyToOutputDirectory="PreserveNewest" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\FSharp.Core\FSharp.Core.fsproj">
       <ReferenceOutputAssembly>false</ReferenceOutputAssembly>

src/fsharp/FSharp.Core.nuget/FSharp.Core.nuspec

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
     <metadata>
         $CommonMetadataElements$
-        <iconUrl>https://fsharp.org/img/logo.png</iconUrl>
+        <icon>icon.png</icon>
         <language>en-US</language>
         <dependencies>
             <group targetFramework=".NETStandard2.0" />
@@ -10,6 +10,8 @@
         </dependencies>
     </metadata>
     <files>
+        <file src="FSharp.Core.nuget\$Configuration$\netstandard2.0\icon.png"               target="icon.png" />
+
         <file src="FSharp.Core\$Configuration$\netstandard2.0\FSharp.Core.dll"              target="lib\netstandard2.0" />
         <file src="FSharp.Core\$Configuration$\netstandard2.0\FSharp.Core.sigdata"          target="lib\netstandard2.0" />
         <file src="FSharp.Core\$Configuration$\netstandard2.0\FSharp.Core.optdata"          target="lib\netstandard2.0" />