Thanks to Alexandre Zia.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=458843

Fix hang if pattern acl contains a %u but an anonymous client connect.

Thanks to Christoph Krey.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=455402

Thanks to Alexandre Zia.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=458690

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=452927

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=431780

This means that TLS private keys can be restricted to the root user.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=452914

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=452913

Thanks to Michael Laing.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=458410

Thanks to Michael Laing.

Bug:  https://bugs.eclipse.org/bugs/show_bug.cgi?id=458353

Explains more of the differences between the Makefiles and the CMake
scripts.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=457373

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=452915

This allows shorter values for the persistent_client_expiration option.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=425835

This introduces wildcard certificate support for both bridges and
clients.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=457225

Thanks to Micheal Laing.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=457371

Thanks to Christoph Krey.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=457162

Without this increment, a message could be incorrectly freed in rare
circumstances.

context->state was being overwritten when websockets clients
attempted to disconnect, leaving them in limbo. This has been fixed.

Thanks to FeelyChau.

Prevents busy loop after e.g. writing a large message when using TLS.

Thanks to Dave Sellars.

Thanks to Ed W.

When using CMake it wasn't possible to use libwrap due to a
configuration error. This has been fixed.

Thanks to Markus Rathgeb.

The bridge_attempt_unsubscribe option has been added, to allow the sending
of UNSUBSCRIBE requests to be disabled for topics with "out" direction.

Bug: https://bugs.eclipse.org/bugs/show_bug.cgi?id=456899