Remove UrlBuilder.buildUrl calls.

Change-Id: Ifac49c2ee45e8b518c33eb4491a80513fdd3e76f
Reviewed-on: http://gerrit.dmdirc.com/2836
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Desingleton DccCommandParser.

Can't see why it was a singleton, really.

Change-Id: I40cdad3c634840fbecfc584995edc4bb133549f8
Reviewed-on: http://gerrit.dmdirc.com/2838
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager