when getting the user info for the dialog, make sure that we update the  nickname for the contact.
when getting the user info for the dialog, make sure that we update the 
nickname for the contact.

also make sure that we update the contact name on login as well.

BUG: 105786


svn path=/trunk/KDE/kdenetwork/kopete/; revision=435392

Jtalk/kopete-fork-xep0136,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,josh-wambua/kopete,josh-wambua/kopete,Jtalk/kopete-fork-xep0136,josh-wambua/kopete,Jtalk/kopete-fork-xep0136