load grap content from http://onodo.org visualizations into Neo4j using the apoc procedure library

## load_onodo_graph.cypher
call apoc.load.json("https://onodo.org/api/visualizations/21/nodes/") yield value
create (n:Person) set n+=value
with count(*) as nodes

call apoc.load.json("https://onodo.org/api/visualizations/21/relations/") yield value
match (a:Person {id:value.source_id})
match (b:Person {id:value.target_id})

call apoc.create.relationship(a,value.relation_type,{},b) yield rel
return nodes, count(*) as relationships
	call apoc.load.json("https://onodo.org/api/visualizations/21/nodes/") yield value
	create (n:Person) set n+=value
	with count(*) as nodes

	call apoc.load.json("https://onodo.org/api/visualizations/21/relations/") yield value
	match (a:Person {id:value.source_id})
	match (b:Person {id:value.target_id})

	call apoc.create.relationship(a,value.relation_type,{},b) yield rel
	return nodes, count(*) as relationships