* Split compilation and tests into separate phases
* Ensure template tests are skipped, and reduce duplication between test/build repo targets
* Show summary at the end of which repos failed
- Upgrade build tools
- Produce an SVG badge for the sharedfx
- Produce the 'latest.aspnetcore.version' file for the dotnet-install.ps1/sh downloader script
- Change layout of output for sharefx build
- Use KoreBuild's bundled package folder for internal build tools packages