Update submodules: plugins (new commits)

plugins:
    0e234d6 Chris Smith <chris@dmdirc.com>
            Rename clover check. Again.

            Gerrit: http://gerrit.dmdirc.com/3198

Change-Id: I0ed4b666bae41d75f7d08c8c362dbcdd9a3fde8d
Update submodules: plugins (new commits)

plugins:
    fdb8674 Greg Holmes <greg@dmdirc.com>
            DI the NMA plugin.

            Gerrit: http://gerrit.dmdirc.com/3199

Change-Id: Ib7f98ef83ffcc7be9818c97f063d837a8368984b