Log message:
Drop superfluous PKG_DESTDIR_SUPPORT, "user-destdir" is default these days.
Mark packages that don't or might probably not have staged installation.

Log message:
Import fastjet-3.0.3 as wip/fastjet.

A software package for jet finding in pp and e+e- collisions. It includes fast
native implementations of many sequential recombination clustering algorithms,
plugins for access to a range of cone jet finders and tools for
advanced jet manipulation.