Finish STAGEDIR conversion
Update to 3.4.0

PR:		181873
Add a slave port to pnp: pnp-icinga to use PNP with Icinga.

Approved by:	portmgr (bapt)
- Enable stage support
- Turn DATABASE to OPTIONS_GROUP for people don't want DB backend support [1]

PR:		ports/182348
Submitted by:	demon
- Convert to PYDISTUTILS_AUTOPLIST
- Enable stage support
- Fix plist
- Support staging

Approved by:	crees (mentor)
- Move PLIST_FILES and MAN1 to pkg-plist
- Bump PORTREVISION

Approved by:	crees (mentor)
- Convert to new LIB_DEPENDS syntax

Approved by:	crees (mentor)
Convert unison ports to staging

Approved by:	bsam (for net/unison-nox11)
Approved by:	mandree (implicit, for net/unison232)
Convert to staging.
- Update to 5.15
- Enable stage support
- Support staging

Approved by:	crees, tabthorpe (mentors, implicit)
- Enable stage support
- Convert to PYDISTUTILS_AUTOPLIST
- Enable stage support
- Convert to new OPTIONS framework
Convert xmms2 ports to staging.

While here, convert to new LIB_DEPENDS format.
- Support staging
- Use options helpers
- Support staging
- Convert to new LIB_DEPENDS format
- Support staging
- Convert to new LIB_DEPENDS format
- Use options helpers
Support staging.
This port is already stage safe.

While here convert to more approriate USE_GCC=yes.