Stop using ResourceManagers some more.

Depends-On: Ie8f2c6abe05eac9897cada8e17b67ed1d982d95e
Change-Id: Ic48f35315ff795c6dd44bf24190ca19581ca71d3
Reviewed-on: http://gerrit.dmdirc.com/4076
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager
Update submodules: plugins (new commits)

plugins:
    8409df2 Greg Holmes <greg@dmdirc.com>
            Stop using ResourceManager methods some more.

            Depends-On: Ic48f35315ff795c6dd44bf24190ca19581ca71d3
            Gerrit: http://gerrit.dmdirc.com/4078

Change-Id: I6c5a840046b9c46b481f124930d92b36a40f36e9
Start adding some ServerEventHandler tests.

Change-Id: I84ee00fedc3096de4ac500bf63a54d2b13209fe9
Reviewed-on: http://gerrit.dmdirc.com/4077
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager