New Gram.py Script for 6.0

Relationship list:

from gramps.gen.relationship import get_relationship_calculator

rc = get_relationship_calculator()
columns("Relative", "Relationship, of", "Active Person", "Dist org", "Dist other")
for person in people():
    (relationship, _ga, _gb) = rc.get_one_relationship(
        self.db,
        active_person,
        person,
        extra_info=True,
    )
    if relationship:
        row(person, relationship, active_person, _ga, _gb)