Update submodules: plugins (new commits)

plugins:
    f79dabd Chris Smith <chris@dmdirc.com>
            Move to injecting various things in the addon browser.

            Add a deprecated method to the SwingController/Manager to avoid having
            to propagate the changes all the way up through the prefs dialog.

            Add dependency on the annotation processor library for factories.

            Gerrit: http://gerrit.dmdirc.com/3023

Change-Id: I835500f40544b52e5cb9efe95f33d80eba871f63