nla/banjo — pull request #380 by huwr (2014-02-26 23:17:07+00:00)
Title: Js singletonise amber

Hey! @JonathanShaw and @scoen!

What if we made the `closeAmberDbService()` method `synchronised`? Note that it MUST NOT be static according to the spec: http://docs.oracle.com/javaee/5/api/javax/annotation/PreDestroy.html