fix(Translation): update missing translations

and fix some minor grammar for the nl locale
Merge pull request #11 from rollerworks/update-translations

This PR was merged into rollerworks:master branch.

Discussion
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Update translations

                   
|Q            |A  |
|---          |---|
|Bug Fix?     |y  |
|New Feature? |n  |
|BC Breaks?   |n  |
|Deprecations?|n  |
|Tests Pass?  |y  |
|Fixed Tickets|   |
|License      |MIT|
|Doc PR       |   |
                   

Update missing translations
 Sent using [Gush](https://github.com/gushphp/gush)

Commits
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14932fb32fe6a2a91a785c41259ee144070d6a9a fix(Translation): update missing translations

and fix some minor grammar for the nl locale sstok