A few minor fixes to reconcile differences between the windows and unix versions of the kafka/zookeeper start scripts that were causing cross-platform inconsistencies during deployment.
- Resolve differences in CLASSPATH setup between .bat and .sh start scripts
- .bat start scripts honor externally provided KAFKA_HEAP_OPTS and KAFKA_LOG4J_OPTS consistent with .sh
- .bat start scripts configure log4j similar to .sh
Author: Matt Fluet <matt.fluet@appian.com>
Reviewers: Eno Thereska <eno.thereska@gmail.com>, Grant Henke <granthenke@gmail.com>, Ewen Cheslack-Postava <ewen@confluent.io>
Closes#908 from fluetm/scripts-patch