Improve doc about gerrit/setup

[Lionel Elie Mamane]

On Mon, Jul 09, 2012 at 10:37:21PM +0200, Christophe JAILLET wrote:

> trying to set up my system for gerrit, I noticed the following :

> 1) On https://wiki.documentfoundation.org/Development/gerrit/setup :
>     you *must* set your user name so: use your Freenode IRC nick as
> your Username in the preferences

> It is not in the /preference/, but in the *_Profile_*

It is a wiki, you can correct it directly yourself. Also for the rest
of your remarks.

-- 
Lionel