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 py26-csa-0.0.1 as wip/py-csa.

The CSA library provides elementary connection-sets and operators for combining
them. It also provides an iteration interface to such connection-sets enabling
efficient iteration over existing connections with a small memory footprint also
for very large networks. The CSA can be used as a component of neuronal network
simulators or other tools