Move Glk headers into a seperate package, since they're not canonically part of glklo...
treec67433ddf10e1503db44842d1b685289ad3f50c7
drwxr-xr-x - dev-games
drwxr-xr-x - dev-lang
drwxr-xr-x - games-engines
drwxr-xr-x - licenses
drwxr-xr-x - profiles
drwxr-xr-x - virtual