Jeremy Heiner authored Dec 20, 2013 and Allan McRae committed Dec 21, 2013

Use the 'configure'd PYTHON to run pactest instead of the one
hard-coded (with '#!') in pactest.py. Also remove useless '#!' from
non-main .py files.

Signed-off-by: Jeremy Heiner <ScalaProtractor at gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>