Store the TpDebugMessage in the model
Store the TpDebugMessage in the model

Makes things easier and saves us from dupping the info.

https://bugzilla.gnome.org/show_bug.cgi?id=674182

GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets