Update SingleWindowDispatcherScheduler.cs (reactiveui#2251)

type: fix 
accessing CoreApplication.Views throws in XamlIslands, thus in this case get the CoreDispatcher by alternate means

issue: reactiveui#2154

Update SingleWindowDispatcherScheduler.cs (reactiveui#2216)

Fix: fatal exception "Element not found" in UWP multiple views apps (r…

…eactiveui#2215)

Release: version 10.5

Release: Version 10.4

Fix NRE when accessing RxApp.SuspensionHost (reactiveui#2181)

Update to version 10.3

fix: in non-UI .netcoreapp3.0 applications a compile error is produce…

…d. (reactiveui#2171)

housekeeping: Release 10.2

housekeeping: Update MsBuild.Sdk.Extras to 2.0.43 (reactiveui#2167)

* Update global.json

* Attempt fix

* Further fix

* One more attempt

* further work

* Remove hacky thing