0.2.0 Release Candidate 2

UPPERCASE WARNING: THIS IS A RELEASE CANDIDATE AND IS NOT INTENDED FOR DOWNSTREAM USE.

This source is a candidate for release 0.2.0. Please see #266 for testing instructions and where to leave your feedback.

Compared to RC1, this RC changes:

• The YCSB client launching utility has been updated to only include the libraries and configuration directory of the datastore binding that is currently in use