[EAGLE-897][BUG] HBase JMX Widget Url is wrongly using siteName instead of siteId

[Hao Chen]

Hi Jijun,

Found a bug about HBase JMX Widget Url is wrongly using siteName instead of
siteId

https://issues.apache.org/jira/browse/EAGLE-897

Please have a look.

Regards,

- Hao