Switched to a new architecture (Vineyard is a visitor for Filtration),
added LowerStarFilation, examples/grid (pdbdistance-vineyard in particular)
import os
cgal_path = os.environ.get('CGAL_DIR')
cgal_architecture = os.environ.get('CGAL_ARCHITECTURE')
qt4_dir = '/opt/qt4'
qt4_includes = qt4_dir + '/include'
qt4_libs = qt4_dir + '/lib'
CXX = '/home/dmitriy/bin/gfilt'