[rekonq] CookiesJar and AccessManager

[Lionel Chauvin]

> btw, all sites I tried work quite well with actual code. I'd really like
> knowing something more about "yahoo" loop.

It occurs when I try to connect to yahoo mail with QNetworkManager and the 
last CookieJar. It works fine with KIO:AcessManager and the last CookieJar. 
With the previous CookieJar and QNetworkManager it disconnects just after log 
in.