Dutch translation of the brainfuck tutorial
[python/de] Fix typo in url of German translation

My text editor apparently also fixed some incorrect trailing spaces and
tabs on empty lines
Revert "[python/de] Fix typo in url of German translation"

This reverts commit c44552b25840c742043aa64470f5cc3caaac4a5b.
Merge pull request #820 from Jell-E/master

[brainfuck/nl] Added Dutch translation of the brainfuck tutorial