fixes neo4j-contrib#321 apoc.json.setJsonProperty doesn't exist

docs/overview.adoc

@@ -186,10 +186,10 @@ RETURN apoc.meta.isType(n.age,"INTEGER") as ageType
 | apoc.convert.fromJsonList('[1,2,3]') | converts json list to Cypher list
 | apoc.convert.fromJsonMap( '{"a":42,"b":"foo","c":[1,2,3]}') | converts json map to Cypher map
 | apoc.convert.toTree([paths]) | creates a stream of nested documents representing the at least one root of these paths
-| apoc.json.getJsonProperty(node,key) | converts serialized JSON in property back to original object
-| apoc.json.getJsonPropertyMap(node,key) | converts serialized JSON in property back to map
+| apoc.convert.getJsonProperty(node,key) | converts serialized JSON in property back to original object
+| apoc.convert.getJsonPropertyMap(node,key) | converts serialized JSON in property back to map
 | CALL apoc.convert.toTree([paths]) yield value | creates a stream of nested documents representing the at least one root of these paths
-| CALL apoc.json.setJsonProperty(node,key,complexValue) | sets value serialized to JSON as property with the given name on the node
+| CALL apoc.convert.setJsonProperty(node,key,complexValue) | sets value serialized to JSON as property with the given name on the node
 |===
 
 == Export / Import