enabling gemfire plugin and updating to release 6.6.3. verified that there are no failures while trying to resolve gemfire repo.

This patch comments out the gemfire plugin from the pom.xml as the
build fails with the following message:

[ERROR] Failed to execute goal on project gemfire-binding: Could not
resolve dependencies for project com.yahoo.ycsb:gemfire-binding:jar:0.1.4:
Failure to find com.gemstone.gemfire:gemfire:jar:6.6 in
http://dist.gemstone.com.s3.amazonaws.com/maven/release/ was cached in
the local repository, resolution will not be reattempted until the
update interval of gemstone has elapsed or updates are forced -> [Help 1]

Fixed bug in CoreWorkload

Hypertable plugin in YCSB framework

Thanks to minghan@github for uploading jar to clojars.

Fixed bug in CoreWorkload. Read-Modify-Write latency should be reported in microseconds, not milliseconds.

Added close() for MongoDbClient

Bump up mongo-java-driver to 2.8.0

Update dependencies for HBase 0.92.x release