* Merge master to dev (#4)
* Misc. clean-ups related to removing unneeded PowerShell Language Service code.
* Remove unneeded files and clean up remaining code.
* Enable file change tracking with Workspace and EditorSession.
* Merge ServiceHost xUnit test project into dev. (#5)
* Setup standard src, test folder structure. Add unit test project.
* Actually stage the deletes. Update .gitignore