[nl][en] Add request to revisit section and retranslate

    For the English document I added a request to revisit a section
    as comment.
    Retranslate Dutch and revisitted the Gitolite sections.
[nl] Chapter04 Start trying to beat Maruku test...
Merge pull request #678 from Cpt-xx/chapter04

[nl][en] Add request to revisit section and retranslate