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)

Allow staging as a regular user and simplify

Remove indefinite articles and trailing periods from COMMENT, plus
minor COMMENT typos and surrounding whitespace fixes. A few Makefiles
where not included as they contain Latin-1 characters that break
the Phabricator workflow. Categories P-S.

CR:		D422
Approved by:	portmgr (bapt)

- Stage support

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

- Get Rid MD5 support

- Remove conditional checks for FreeBSD 5.x and older

SHA256ify

Approved by: krion@

Add gpte 1.0, a simple command-line GPT partition editor.

This is simple command-line GPT partition editor.
It can print tables, fix them, check consistency, add and remove
partitions (in edit mode).

PR:             ports/76177
Submitted by:   Valentin Nechayev <netch@segfault.kiev.ua>