Cleanup the project
- Refactored the project and solution so that they load and build cleanly in VS2017.
- Reviewed the target platforms.
- The currently supported platforms are now:
- .NET Framework 4.5
- .NET Framework 3.5
- .NET Framework 2.0 (experimental)
- .NET Standard 1.3
- Unity Subset v3.5
- The following platforms are no longer supported:
- Profile259 (please upgrade to netstandard)
- The currently supported platforms are now: