Minor Description
Recently, I added support to pass down ACCUMULO_CONF_DIR as a means to support the default configuration directory being a filtered-set of the actual server configuration files (to hide things like instance.secret).
Sadly this doesn't work well for ExamplesIT which invokes classes using bin/accumulo as these are meant to be run as the normal user (not using the server configuration).
If we're going to deal with duplicate configurations for clients and servers, we need to do the same for the StandaloneClusters
