backport partitioner bug fix

Author: jordan-smith721

source/batch-mode/batch-read-config.txt

@@ -270,7 +270,7 @@ To use this configuration, set the ``partitioner`` configuration option to
 
        **Default:** ``_id``
 
-   * - ``partitioner.options.maxNumberOfPartitions``
+   * - ``partitioner.options.max.number.of.partitions``
      - The number of partitions to create.
 
        **Default:** ``64``