* Initial bump to .NET Core 2.1
* Add workaround for https://github.com/mono/linker/issues/286
* Deprecate BackgroundGCPeriod
* Websockets updates
* Misc
* Check if travis works with 2.1
* Not yet
* Fix travis for now
* Test
* Whatever, travis is broken right now
* Schema update
* Update travis
* Test travis
* Check OSX
* Correct CI versions
* Misc
* Misc