* Adding support for Apache Crail (crail.apache.org)

* Adding Crail benchmark source and README

* Cleaning white space

* Fixing CrailClient::read
- Thanks @pepperjo

* Moving classes to Crail specific package

* Use a Logging framework instead of System.out

* 1) Make binding respect configuration of table name
2) Add new benchmark parameter 'crail.enumeratekeys'