rename glade screenname entry widget to match empathy-account-widget.c (Elliot Fairweather)
rename glade screenname entry widget to match empathy-account-widget.c (Elliot Fairweather)

svn path=/trunk/; revision=1274

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