Results of the discussion about parameters removal

[Colin Ogilvie]

Frédéric Buclin wrote:
> Note that only 2 params will be replaced by a constant. The other 21
> params will be removed. Not sure we want to implement settings.pl.local
> for 2 exceptions only.
>   

Not sure we should remove them then... if they are the ones we are 
expecting people to want to change (by providing a constant) we should 
give them the scope without breaking upgrades for them.

Colin