BOM removed

Line ends converted to Unix
Merge pull request #485 from dedlfix/comments_de

Changing user's language from German to other: Cannot modify header…
Small adjustment to language file naming.

Transifex.com generates language identifiers as nl_BE not nl-BE, so
we adjust the identifiers used by Wolf CMS accordingly. Using underscores
is still a commonly accepted method, so that's not a problem.
Updating translation files. Replacing files by those from Transifex.
Merge pull request #2 from wolfcms/master

Update