Documentation: review documentation

proof read of the documentation to fix minor typos etc.
not all files were reviewed at this time.
for issue #2048
I wasn't sure what was meant by mutualise, so I think factor out is the way
to go here.
On 31 Jul 2014 00:06, "Pierre DAL-PRA" <notifications@github.com> wrote:

> In src/sphinx/cookbook/handling_jsf.rst:
>
> > @@ -8,7 +8,7 @@ Basic JSF
> >  JSF requires a parameter named ``javax.faces.ViewState`` to be captured on every page and be passed in every POST request.
> >
> >  Adding a check for capturing the value and a param on very request would be very cumbersome.
> > -Hopefully, we can mutualize these operations.
>
> "mutualize" looks actually better. or "factor out".
> Creating helper methods is not exactly standardization.
>
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> <https://github.com/excilys/gatling/pull/2049/files#r15618426>.
>