qpopper "welcome" message

[Lubos Dusany]

>--enable-shy to hide qpopper's version number in the banner and CAPA
>IMPLEMENTATION tag.  (Some people feel this improves security by making it
>harder to tell if you are running software with known exploits; others feel
>this reduces security by hiding the fact that you are running fixed software,
>leading malicious users to try attacks they otherwise would avoid.) 
>  
>
Diky zkusim, hledat qpopper +banner me nenapadlo :( Sice to chapu ze to 
skryje cislo verze ale vyzkousim a uvidime.
L.