* 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.
* Setup standard src, test folder structure. Add unit test project.
* Actually stage the deletes. Update .gitignore
* Integrate SqlParser into the onchange diagnostics to provide error messages.
* Add tests for the language service diagnostics
* Initial implementation for autocomplete.
* Switch to using sys.tables for autocomplete
Move some code into a better class
* Delete unused csproj file.
* Add nuget.config to pickup SQL Parser nuget package
