* - enable deterministic build
- lib updates for core packages
* set source root if needed
* Restore VS test runner
xUnit won't run in VS without it :)
Co-authored-by: Nick Craver <craver@stackoverflow.com>
This is a branch cleaning up old `#if` clauses, `.csproj` bits, Linux build compatibility, and a few other tid-bits (broken out by commit).
In general: we're on 3.0 tooling and all previous cruft has been removed.
Marc Gravell