Code Review Request For RT-38179: [TabPane] TableView in TabPane has memory leak

[Chien Yang]

Hi Kevin,

Please the proposed fix with unit test included:

JIRA: https://javafx-jira.kenai.com/browse/RT-38179
Webrev: http://cr.openjdk.java.net/~ckyang/RT-38179/webrev.00/

Thanks,
- Chien