Makefile: simplify runtests-python since metadata tests aren't conditional.

Since the metadata tests are no longer conditional, revert
runtests-python to the simpler implementation.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Manually set TMPDIR to $(CURDIR)/tmp for all tests for now.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
metadata.py: fix variable access in Writer.add(); tmax -> self.tmax.

Thanks to Patrick Rouleau <prouleau72@gmail.com> for reporting the
problem.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
metadata.py: fix incorrectly indented line in Writer._add().

Thanks to Patrick Rouleau <prouleau72@gmail.com> for reporting the
problem.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>
Completely disable ACL support on NetBSD for now.

Signed-off-by: Thomas Klausner <tk@giga.or.at>
[rlb@defaultvalue.org: adjust commit message; wrap code.]
Signed-off-by: Rob Browning <rlb@defaultvalue.org>
DESIGN: fix typo.

Signed-off-by: Rob Browning <rlb@defaultvalue.org>