radio-group branch

[Alexander Larsson <alexl redhat com>]

I just pushed the radio-group branch in git. It contains the
GtkRadioGroup type and conversion of all the radio types to it.
Additionally it contains a few other changes (see the commits) that I
think make sense now that we don't have the GSList crap anymore.

I don't really have time now to convert all of gnome to the new API
(since i'm on paternity leave), but in almost all cases a simple
s/GSList/GtkRadioGroup/ change should fix it.

-- 
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 Alexander Larsson                                            Red Hat, Inc 
       alexl redhat com            alexander larsson gmail com 
He's a genetically engineered guerilla vampire hunter with no name. She's a 
cosmopolitan thirtysomething college professor from beyond the grave. They 
fight crime!