title: gremlin-groovy is not an available GremlinScriptEngine
body: <p>I am setting up janusgraph with cassandra on a server. I am getting the following mentioned error. Also what changes are to be made in config file while deploying it on server.</p>
  
  <p>Linux server with JanusGraph 0.4.0, Cassandra 3.11.0 </p>
  
  <pre><code>gremlin&gt; :remote connect tinkerpop.server conf/remote.yaml
  </code></pre>
  
  <p>==>Configured localhost/127.0.0.1:8182
  gremlin> :> ConfiguredGraphFactory.getGraphNames()
  gremlin-groovy is not an available GremlinScriptEngine
  Type ':help' or ':h' for help.
  Display stack trace? [yN]y
  java.lang.IllegalArgumentException: gremlin-groovy is not an available GremlinScriptEngine
      at org.apache.tinkerpop.gremlin.jsr223.CachedGremlinScriptEngineManager.registerLookUpInfo(CachedGremlinScriptEngineManager.java:95)
      at org.apache.tinkerpop.gremlin.jsr223.CachedGremlinScriptEngineManager.getEngineByName(CachedGremlinScriptEngineManager.java:58)
      at org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor.lambda$eval$0(GremlinExecutor.java:266)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      at java.lang.Thread.run(Thread.java:748)</p>