Update submodules: plugins (new commits)

plugins:
    2dedf04 Chris Smith <chris@dmdirc.com>
            Use full versions for dependencies.

            Feel like we've got a few too many moving parts at the moment,
            so explicitly set versions of our dependencies.

            Also took the opportunity to upgrade a couple of things.

            Gerrit: http://gerrit.dmdirc.com/4001

Change-Id: I287df8461a50b0fdbce64ccf422904ab1e453152
Make migrator use Path properly.

Finish unit tests.

Change-Id: I5dba46bccd147283d8389dcc3d2a4aadf4d827be
Reviewed-on: http://gerrit.dmdirc.com/4002
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Don't parse to an Integer then unbox.

Change-Id: I0f6ccc2a3af5a10a6d92e4b01f30f4f805c8f56c
Reviewed-on: http://gerrit.dmdirc.com/4003
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>