Fixes repl windows attempting to connect from off the UI thread. Improves VisualStudioApp to allow adding custom commands to run on dispose.
Fixes repl windows attempting to connect from off the UI thread.
Improves VisualStudioApp to allow adding custom commands to run on dispose.

enricosada/VisualStudio-SharedProject,mousetraps/xtvs-common,mousetraps/xtvs-common,Microsoft/VisualStudio-SharedProject