Specifies the password to use when connecting to the neo4j server.
Can be set in: global.cfg
The neo4j server that is included with Funnelback will set the password to
_svc_knowledge_graph user's password which is based on the server secret.
If the server secret is changed neo4j must be restarted for the change to take affect.
By default this value is not set as the password is derived from the server secret.
To change the password to 'password' when connecting to a remote neo4j DB: