Document all repository settings.
Document all repository settings.

Change-Id: Ic10639cf187bab6c403cd4ba72ba45c5b1d6d2fd
Reviewed-by: Tim Jenssen <6a21f175c697b4129e1bafb6e9b52078bb1a6738@digia.com>

olear/qtifw,olear/qtifw,olear/qtifw,olear/qtifw