Update submodules: parser (new commits), plugins (new commits)

parser:
    bfbe038 Chris Smith <chris@dmdirc.com>
            Add .gitreview config.

            Gerrit: http://gerrit.dmdirc.com/4021

plugins:
    bc690df Chris Smith <chris@dmdirc.com>
            Add .gitreview config.

            Gerrit: http://gerrit.dmdirc.com/4019

Change-Id: Ib7759ba875a1a8f187aede31510968e248b68771