python2.7 for pbdagcon configure.py
python2.7 for pbdagcon configure.py

This cannot use SYSPYTHON since it currently uses argparse,
which is missing on Centos6 /usr/bin/python

Also, DAZZ_DB must be relative to workdir, not symlink repo.

mhsieh/pitchfork,mhsieh/pitchfork