Remove expired ports:

Adjusted for ports rescued since r534032

2020-05-05 audio/festvox-czech: Broken for more than 6 months
2020-05-05 audio/gkrellmvolume2: Broken for more than 6 months
2020-05-05 audio/mixmos: Broken for more than 6 months
2020-05-05 audio/mma: Broken for more than 6 months
2020-05-05 audio/pd-cyclone: Broken for more than 6 months
2020-05-05 audio/shorten: Broken for more than 6 months
2020-05-05 audio/taglib-sharp: Broken for more than 6 months
2020-05-05 audio/xhippo: Broken for more than 6 months
2020-05-05 biology/consed: Broken for more than 6 months
2020-05-05 biology/plinkseq: Broken for more than 6 months
2020-05-05 biology/seqtools: Broken for more than 6 months

Deprecate ports broken for more than 6 months

Mark a few ports BROKEN (unfetchable)

- Fix trailing whitespace in pkg-descrs, categories [p-x]*

Approved by:	portmgr blanket

Support staging

Add NO_STAGE all over the place in preparation for the staging support (cat:
textproc)

-remove MD5

Update maintainer's email address.

Submitted by:   maintainer (private email)

- Update WWW

PR:             117853
Submitted by:   Erik Greenwald <erik@smluc.org> (maintainer)

- Fix mastersite.

PR:             ports/113377
Submitted by:   Erik Greenwald <erik@smluc.org> (maintainer)

SHA256ify

Approved by: krion@

Add permute.

Permute is a simple program to read lines from standard input and
generate all possible permutations of those lines.

WWW: http://pigseye.kennesaw.edu/~rbentley/

PR:             ports/85865
Submitted by:   Erik Greenwald <erik@smluc.org>