[10] Review request: JDK-8175574: Singleton App

[Victor Drozdov]

Chris,

Please review the changes about single instance.

JIRA: https://bugs.openjdk.java.net/browse/JDK-8175574
Webrev: http://cr.openjdk.java.net/~vdrozdov/JDK-8175574/webrev.04/

--Victor