[crossfire] Attribution for patches

[Nicolas Weeger (Laposte)]

> Everything I know of, is attributed in the cvs commit comments, however
> I am not sure he is aware of them or considers them proper attribution.

There are AFAIK 4 patches on the tracker (closed, by elmex), and they all got 
(what i deem) proper attribution in the Changelog ("courtesy CF+ development 
team" or equivalent).

Nicolas