Sparkinterpreterusesincorrectpropertyname

What is this PR for?

Spark interpreter did use incorrect property name for Spark Master -

, although a lot of code was dependent on

- it's better to use only one name everywhere

What type of PR is it?

Bug Fix

What is the Jira issue?

• ZEPPELIN-4821

How should this be tested?

• https://travis-ci.org/github/alexott/zeppelin/builds/699582429

该提问来源于开源项目：apache/zeppelin