Force neo4j to (re)start when deploying neo4j apps

This is a brute-force attempt to keep neo4j and apache working in
tandem. Apache proxies web requests to neo4j apps, but without a restart
this can fail after deployment.
Clarify some comments
Merge pull request #380 from OpenTreeOfLife/force-neo4j-restart

Force neo4j to (re)start when deploying neo4j apps