ZeppelinContext methods z.run and z.runNote fall after passing wrong argument.

Passing wrong argument to z.run() or z.runNote() causes error:

• Zeppelin log:

  ERROR [2018-07-12 18:19:05,110] (\{pool-5-thread-1} TThreadPoolServer.java[run]:297) - Error occurred during processing of message.
   java.lang.RuntimeException: Not existed noteId: WrongNoteId
       at org.apache.zeppelin.interpreter.RemoteInterpreterEventServer.runParagraphs(RemoteInterpreterEventServer.java:250)
       ... 
  

• Interpreter log:

  WARN [2018-07-12 18:19:05,113] (\{pool-2-thread-5} RemoteInterpreterEventClient.java[runParagraphs]:259) - Fail to runParagraphs: RunParagraphsEvent(noteId:broadcast, paragraphIds:[], paragraphIndices:[], curParagraphId:20180709-113817_1103600568)
   org.apache.thrift.transport.TTransportException
   ...
  INFO [2018-07-12 18:19:05,223] (\{pool-2-thread-5} SchedulerFactory.java[jobFinished]:115) - Job 20180709-113817_1103600568 finished by scheduler interpreter_434750169
  WARN [2018-07-12 18:20:10,756] (\{pool-1-thread-1} RemoteInterpreterEventClient.java[onInterpreterOutputUpdateAll]:234) - Fail to updateAllOutput
   org.apache.thrift.transport.TTransportException
   ...
  

  After that user couldn't use z.run() and z.runNote() until interpreter restart.