Use events for the logging plugin.

Depends-On: Id53eb0fba852cf19e80dbd51d6b45fc9fc3dbee6
Change-Id: Ia4d4aecfc2ea3ec30facdb757182cd34acdd0e30
Reviewed-on: http://gerrit.dmdirc.com/3497
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>
Use events in lag display.

Depends-On: Id53eb0fba852cf19e80dbd51d6b45fc9fc3dbee6
Change-Id: I3b726667f4575f4f882471984ac821f267838959
Reviewed-on: http://gerrit.dmdirc.com/3496
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>
Convert DCC Plugin to use events.

Change-Id: I136ba57bfa1a421d845351bb6c75b4b35dfb45df
Reviewed-on: http://gerrit.dmdirc.com/3494
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>