cgd: Adding Common Gateway Daemon, serves CGI scripts over HTTP/FCGI.
libglu: Adding the Mesa OpenGL utility library.
libglew: Adding the OpenGL Extension Wrangler library.
fergulator: Adding Fergulator, a basic NES emulator written in Go.
Merge pull request #219 from JillTyrell/go-packages

Adding cgd, fergulator, libglew, libglu packages.