Hello,

This is a patch for French-language system messages. Most of edits are typos or
spelling corrections.
I have also replaced the \' apostrophes by the good one complying with the
French typography ’ (of course I haven't replaced those used for italics and
bolded text).

This is the first time I use a patch to fix system messages, so please tell me
if something is wrong.

Thanks!

Version: 1.8.x
Severity: enhancement