Updated build.
Updated version
Updated build.
Updated build.
Updated project files.
Removed csproj files.
Skip the cache for KoreBuild
Start to add a CodeTree codegen.

This addition will eventually replace CodeDOM to allow for the k10 project to build.  It is a new type of codegeneration method that is highly extensible.
Added nuget.config
ifdef all of the razor bits that are reliant on non-coreclr bits.

Big thing we're missing is Char.GetUnicodeCategory(...) and Thread.Yield.  Tried to do my best to fill in the blanks.  Ripped out VB.
Updated build.cmd
Fixed up resources.
Removed the clear for sources.
Added an output validator to make a best-effort attempt at validating old and new codeDOM/codeTree output.
Updated the build files.
Relocation resx file to root so that it's correctly embedded
Comment ifdefs and fix K10 functionality
Remove and sort usings across the solution
Updating build.cmd to cache NuGet.exe
Updating Resx designer file to minimize conflicts after resx change