Release 5.19.1

[matthid]

• ANNOUNCEMENT: dotnet-fake cli tool via DotNetCliToolReference is now history - Announcement: The dotnet-fake package and CliToolReference (Paket clitool) is deprecated #2465
• ENHANCEMENT: Update MSTest.fs for VS 2019, thanks @0x53A - Update MSTest.fs for VS 2019 #2450
• ENHANCEMENT: Added CreateProcess.addOnStartedEx in order to retrieve the .NET Process object, thanks @maciej-izak - Pass instance of Diagnostics.Process for addOnStarted #2451
• BUGFIX: Improved error reporting when paket initialization fails, see FAKE 5 Runner task doesn't work on Linux build agent isaacabraham/vsts-fsharp#33
• DOCS: Fixed typos and improved docs, thanks @ncave, @rmunn, @jeremyabbott, @mjul, @smoothdeveloper - minor typo in docs (indexpage.cshtml) #2449 Update keepachangelog.com URL to latest version #2452 Use HTTPS for all links #2454 Fix typo in CLI help message #2459 fix contributing links in readme.md  #2460
• INFRASTRUCTURE: Use stable version of reference assemblies package, thanks @teo-tsirpanis - Use stable version of the reference assemblies package. #2463