Added MSVC projects and support
Making the win/vcxproj stuff work on more computers & removing some auto-generated files
Updating .gitignore for windows-y stuff
Added config for DLL build.
added JSON_DLL to all configurations.
Added Win32_Int and x64_Int folders to .gitignore
OCD
Removing some unwanted files.
Refactor of the .vcxproj
Removing unnecessary stuff from the vcxproj
Updates to the submodule and vcxproj.
First stab at wrapping msbuild in scons.