Release v2.1.0-release · SkyAPM/SkyAPM-dotnet

What's Changed

Clean up code that is no longer used by @liuhaoyang in #493
fix grpc trace lost by @sampsonye in #495
Remove SkyAPM.Agent.AspNet from doc by @wu-sheng in #496
Use ComponentId instead of ComponentName by @feiyun0112 in #498
Get current context from ConcurrentDictionary by @feiyun0112 in #499
SkyApm.Transport.Grpc use grpc-dotnet by @feiyun0112 in #501
Implement the Microsoft ILogger interface to push logs to skywalking by @GeorGeWzw in #502
fix: continue with origin trace info when pub/sub retry by @sampsonye in #507
update version to 2.1.0 by @liuhaoyang in #508
Update appveyor config by @liuhaoyang in #509
Fix: myget push fail by @liuhaoyang in #510
Fix: incorrect SkyApm.Diagnostics.MSLogging package version by @liuhaoyang in #511
Fix issue 505: Segment maybe null when record log by @liuhaoyang in #512
refactor MSLogging extensions and add log samples by @liuhaoyang in #513
fix: AsyncQueueSkyApmLogDispatcher._offset is not correct exactly in muti threads by @sampsonye in #515

Full Changelog: v2.0.1...v2.1.0