[SRU] Juju 1.25.6

[Nicholas Skaggs]

Juju 1.25.6 is a stable update containing critical bug fixes, including MAAS compatibility, for the 1.25 series.

[SRU Information]

juju-core has a stable release exception, including for major version updates, https://wiki.ubuntu.com/JujuUpdates.

[Impact]
This update brings critical fixes and enhancements in comparison to the current 1.25.5 release.

A full list of targeted bugs can be seen against the milestone:

https://launchpad.net/juju-core/+milestone/1.25.6

[QA/Testing]
Juju practices continuous integration and testing of the juju source tree. The results for this release can be seen here.

http://reports.vapour.ws/releases/4134

In addition, juju has adt test coverage for all supported archs, http://autopkgtest.ubuntu.com/packages/j/juju-core/.

Finally, manual verification and testing of the package has been done per https://wiki.ubuntu.com/JujuUpdates