Adding support to .NET Core 2.0

[picadoh]

The less instrusive way found for doing this was using compiler directives to remove what's not supported in .NET Core. A csproj for .NET Core was added with .NET Core compilation specifics.

• Performance Counters were removed as they are not supported in .NET Core.
• An assembly called SmartThreadPool.NETCore is generated
• Changed version of assemblies to be 2.3.0, as it has no impact in the existing interfaces

Requirements

• .NET Core 2.0

Build

From the root directory, build the .NET Core project.

dotnet build -c Release SmartThreadPool/SmartThreadPool.NetCore.csproj

NuGet Pack

From the root directory, generate SmartThreadPool.NetCore.2.3.0.nupkg:

dotnet pack -c Release SmartThreadPool/SmartThreadPool.NetCore.csproj

NuGet Upload

From the root directory, upload to https://www.nuget.org:

dotnet nuget push <Path to NuPkg file> -s https://api.nuget.org/v3/index.json -k <NuGet API Key>

[sekmenhuseyin]

nice work. can we have a merge @amibar

[amibar]

@picadoh I finally had time to deal with this so I published a nuget that supports .NET Frameworks 4.0,4.5, and 4.6 and also .NET Standard 2.0 that can work with .NET Core.