www/piwigo: update 2.6.3 -> 2.7.1

- Change maintainership to tremere@cainites.net (maintainer approved)
- Drop @dirrm usage from pkg-plist

PR:		194614
Submitted by:	Ralf van der Enden <tremere@cainites.net>
Approved by:	mentors (implicit)
science/kst2:
- NetCDF 4 is not supported yet, set INGORE if NETCDF option is requested.

PR:		194936
Reported by:	nwhitehorn
audio/kid3-kde4: update to 3.1.2
Cleanup plist
security/pinentry:
- Update to 0.9.0
- Remove pinentry-gtk port (GTK+ 1 support is discontinued upstream)
- Ignore Qt 4 frontend on 10 and greater, it fails to build with clang/libc++