Hello. Igniters. I working on some issue in .Net platforms and found that different project files for .Net contains different platform versions. Can someone explain why?
1. Apache.Ignite.Core.csproj [1]
```
<PropertyGroup>
...
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
...
</PropertyGroup>
```
2. Apache.Ignite.Core.DotNetCore.csproj
```
<Project Sdk="Microsoft.NET.Sdk»>
…
<TargetFramework>netcoreapp2.0</TargetFramework>
…
</Project>
```
