LeeTZ

Make beakerx compatible with Jupyterlab 2.0

1

We will first understand the gap and then create separate issues for migration.

Incorporate sparkmonitor with BeakerX

1

https://github.com/krishnan-r/sparkmonitor is a great extension for monitoring spark jobs. We could try to make it work with current notebook and lab, and integrate it into BeakerX installation

To avoid bug for every new version of the driver, for SQL users, before using SQL functionalities, they have to add appropriate driver by our magic command: `%classpath add mvn...

Migrate BeakerXDoclet off from com.sun.javadoc.*

1

These classes were deprecated long ago and are now removed in Java 13. We should get ready and migrate these classes. Some migration hints here: https://docs.oracle.com/javase/9/docs/api/jdk/javadoc/doclet/package-summary.html#migration