Fixed Issues in Apache Zeppelin

This section lists the issues that have been fixed since the previous version.

CDPD-3090: Due to a configuration typo, functionality involving notebook repositories does not work
Due to a missing closing brace, access to the notebook repositories API is blocked by default.
CDPD-3047: Markdown interpreter does not handle certain numbered list syntax correctly
Using the plus sign (+) or asterisk (*) to continue a numbered list using the %md interpreter results in bullet point entries instead.