[tex-live] Ghostscript is now GPL

[Martin Schröder]

Hi,
apparently Artifex has changed the license of GhostScript from AFPL to
GPL; at least the current version (8.54) was also released as GPL.

See http://www.ghostscript.com/doc/GPL/gpl854.htm and
http://www.heise.de/newsticker/meldung/74347

Best
    Martin