Adds .jay file MSBuild targets to your project. Works both on a developer workstation and on a CI build server.

For Mono's Jay (Yacc-based) parser generator: https://github.com/mono/mono/tree/master/mcs/jay

• OS-X (tools\jay.darwin)
• Windows (tools\jay.exe)
  • Note: jay.exe is a 0-byte placeholder, place a local copy of jay.exe into the build directory for the target to be funcional.

• Add Linux support.