Updated Neo4j 4.x Artifacts for Zeppelin 0.9.0-preview1

This adds Neo4j 4.x support to Zeppelin 0.9.0-preview1. Just download the ZIP file, unzip it into the <ZEPPELIN_HOME>/interpreter directory.

Updated Neo4j 4.x Artifacts for Zeppelin 0.8.2

This adds Neo4j 4.x support to Zeppelin 0.8.2. Just download the ZIP file, unzip it, and place the files into the <ZEPPELIN_HOME>/interpreter/neo4j directory.