A list of interesting keys.. We will have to organise this into a list of keys and their labels and which dialogue they should be part of..

/desktop/gnome/interface/can_change_accels
'Allow menu acceleration key changes'
'Extra Menu and Toolbar Settings'

/desktop/gnome/interface/menubar_detachable
'Allow application menubar to be torn off'
'Extra Menu and Toolbar Settings'

/desktop/gnome/interface/menus_have_tearoff
'Allow application menus to be torn off'
'Extra Menu and Toolbar Settings'

/desktop/gnome/interface/toolbar_icon_size
'Change the size for icons on toolbars'
'Extra Menu and Toolbar Settings'

/desktop/gnome/applications/window_manager
We should provide an easy way to use a different window manager.

/desktop/gnome/url-handlers/mailto
Allow the user to setup mailto: for links in galeon/epiphany etc..