[imp] change or disable the encryption method

[Mike Cochrane]

> ----- Message from flo at 3dfx.ch ---------
> 
> Hi folks,
> 
> how can I change or disable the encryption method in IMP and the famework?
> 
> Greets,
> Florian
> 

Change: edit the horde/lib/Secret.php file
Disable: no, well you probably could by editing that file but it's a security
risk. It mean that every user's login and password will be stored in plain text
in  php's session files. 

Why are you wanting to do this?

- mike :-)