This patch adds logic for the following:
- remove hard-coded paths to various scripts and jars in kafkatest service classes
- provide a mechanism for overriding path resolution logic with a "pluggable" path resolver class
Author: Geoff Anderson <geoff@confluent.io>
Reviewers: Ewen Cheslack-Postava <ewen@confluent.io>
Closes#1245 from granders/configurable-install-path
Geoff Anderson