* Decouple connection objects from the server (#2535)
- Making progress towards being able to use the connection objects on the client side.
* Wait for input writer to complete before calling OnConnectionClosed (#2566)
* Wait for the ConnectionClosed token to stop tracking connections (#2574)
- The prior strategy of waiting for the pipe completed callbacks doesn't work
because blocks are returned to the memory pool after the callbacks are fired.
* Consistently handle connection resets (#2547)
* Provide better connection abort exceptions and logs
* void IConnectionDispatcher.OnConnection
* Make Sockets the default transport
* Create separate Libuv and Sockets functional test projects
* Fix functional tests that fail with Sockets
* Moved OneToTenThreads test to Kestrel.Transport.Libuv.Tests
* Fix systemd activation tests to use libuv transport
* Dispose Sockets PipeFactory
* Improve Socket's server-side abort handling
* Add explicit rebinding test
Stephen Halter
John Luo
Nate McMaster