rather than serving up unchanging tarred archives that we can
checksum, tars up the directories on the fly, differently every time!
Let's just change the MASTER_SITE to MASTER_SITE_LOCAL until we can
figure out a better way of dealing with CTAN.
From dvi2tty.c:
* This program, and any documentation for it, is copyrighted by Svante
* Lindahl. It may be copied for non-commercial use only, provided that
* any and all copyright notices are preserved.