Merge pull request #6 from mespeche/master

French translation
Merge pull request #7 from mespeche/master

Update README.md
Merge pull request #8 from mespeche/master

French translation : Installation
Add language to on main logo url for good redirection to the asking language of documentation
Fix syntax error on post_max_size and upload_max_filesize variable
Merge remote-tracking branch 'upstream/master'
Translation of "Configuration" page
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