Revert the unrelated whitespace changes made in d425e809958f233b08f6fbfba06bc6bb293ac2ca.
Update Changelog.txt.

[ci skip]
Formatting.
Updated Italian language file - thx SilverDrake :)
nl-NL translation: minor corrections/improvements + new tags
nl-NL translation: spcorr + experiment (buttons)
nl-NL translation: preferences 1