Update submodules: plugins (new commits)

plugins:
    c5ba411 Greg Holmes <greg@dmdirc.com>
            Show restart dialog if update dialog is open

            Gerrit: http://gerrit.dmdirc.com/2811

Change-Id: Ie0222ce2bfdfc50c7c3d0a271cb80ea82cfcad43
Remove most singleton uses of WindowManager.

Change-Id: Idd97b752328310b4f829a45a43de5fdf6f5712a5
Depends-On: I1f054c7423106afe3fc49db8dc44613ec11c35bb
Reviewed-on: http://gerrit.dmdirc.com/2816
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>
Update submodules: defaults (new commits), plugins (new commits)

defaults:
    faefa78 Greg Holmes <greg@dmdirc.com>
            Show global window by default

            Gerrit: http://gerrit.dmdirc.com/2809

plugins:
    3ce4e9f Greg Holmes <greg@dmdirc.com>
            Remove most singleton uses of WindowManager.

            Depends-On: Idd97b752328310b4f829a45a43de5fdf6f5712a5
            Gerrit: http://gerrit.dmdirc.com/2817

Change-Id: I6ad0f50ffae5eb197c55f3121908df5a59d4fa1e