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

plugins:
    f87e5d0 Chris Smith <chris@dmdirc.com>
            Make URLBuilders optional in text labels.

            All existing usages will omit a URL Builder, but there doesn't appear to be
            any places where it's actually needed.

            Gerrit: http://gerrit.dmdirc.com/3111

Change-Id: Id6525bd769d4ac2cf2f05dd97bcc6a291a7a377b

ShaneMcC/DMDirc-Client,DMDirc/DMDirc,csmith/DMDirc,ShaneMcC/DMDirc-Client,ShaneMcC/DMDirc-Client,ShaneMcC/DMDirc-Client,greboid/DMDirc,DMDirc/DMDirc,DMDirc/DMDirc,greboid/DMDirc,csmith/DMDirc,csmith/DMDirc,greboid/DMDirc,DMDirc/DMDirc,greboid/DMDirc,csmith/DMDirc