Pass original exception back when issues discovered during
initialization.

and bail out if not found.  If this is not checked here, the workload
will continue running and generating errors until it finishes.

and bail out if not found.  If this is not checked here, the workload
will continue running and generating errors until it finishes.

Hbase client has a bug to write all values as empty byte arrays in debug
mode. It is caused by an illegal use of ByteIterator. Values returned
from toString() or toArray() should be cached if they are needed later.

* Bumps `hbase.version` to 1.0.0
* Adds a new database, hbase-10, which targets the HBase 1.0 API.

* Time the cleanUp of a DBWrapper
* For HBase this clean up should also be counted as an update.