Initial commit of code from streams exchange. Fixes IBMStreams/streamsx....

Fixes IBMStreams/streamsx.hbase #1, related to IBMStreams/toolkits #2.

This is the [ToolkitForHBASE](https://www.ibm.com/developerworks/community/files/app#/file/d65b213d-96b5-474d-b911-969e3aff6a84) originally authored by me.   I have adjusted the namespace to com.ibm.streamsx.bigdata.