Cross-platform improvements.

Fix FSharp.Core.dll included in the package.

Load correct dependencies in RProvider.fsx (fix #166).

Disable R.NET AutoPrint (fix #161 and perhaps #160).

Improve Liinux compatibility - try searching for libR.so (#157).

Skip assembly resolution for mscorlib.resources (avoids recursive loo…

…kup error).

Include transitive dependency on DynamicInterop.

Update to R.NET 1.6.4 (support R version 2.14.1).

Update NuGet package to depend on R.NET 1.6.3.

Update to R.NET 1.6.3.