fphammerle/yamily: Define family trees in YAML

Fabian Peter Hammerle 9b749b0f98 cli yamily-dot: added --comment arg		пре 4 година
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cli	9b749b0f98 cli yamily-dot: added --comment arg	пре 4 година
persons	e0abe080fc graph: remove border around coparents	пре 4 година
_graphviz_test.py	56ea025359 added Person.death_date	пре 4 година
person_collection_test.py	56ea025359 added Person.death_date	пре 4 година