Version 4.2.0 (final) of JActor
Release Notes: Adds support for actors without mailboxes (degraded mailboxes).
Other releases
Release Notes: An issue where AsyncResponse was missing a check for duplicate responses was fixed.
Release Notes: This release fixes a bug in JAMailboxFactory.removeClosable.
Release Notes: MailboxFactory now maintains a list of Closable objects to be closed when the MailboxFactory is closed. Actor factory registration now ignores duplicate registration of the same factory.
Release Notes: SLF4J now used for logging. Continuation is a wrapped RP which can be used in any context. JAMailboxFactory is no longer final.
Release Notes: MailboxFactory now includes a Timer.
