Simplify conditional options

Submitted by:	bapt
- Fix packaging after switch to setuptools (egginfo in plist)
- Stage support
- Use PYDISTUTILS_AUTOPLIST
- Enable STAGE support
- Make hidden dependency on libao explicit
- Bump PORTREVISION
security/py-cryptkit: support staging
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Respect HEIMDAL_HOME / KRB5_HOME.

PR:		ports/185236
Submitted by:	Dewayne <dewayne__at__heuristicsystems.com.au> (partly)
Stage support
Miscellaneous fixes to devel/shtk.

- Provide an http master site given that fetch(1) in 8 does not support
  https.
- Move manpage definition to the pkg-plist.
- Handle two missing directories in the pkg-plist.

The first problem was spotted by QAT and the latter two by antoine@, who
gave advice on how to fix them.

Approved by:	antoine
- Enable STAGE support
- Correct perl path
- Bump PORTREVISION
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Update to 0.9.25.

Stagify.
- Bump PORTREVISION
- Add master sites, change icon
- Add missing USE_AUTOTOOLS items
- Use pkg-plist instead of PLIST_FILES and PORTDATA
- Add DOCS Option
- Support STAGEDIR
- Add Desktop entry file
- Change files/ttt.in

Approved by:	pawel / wg (mentors, implicit)
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