Relicense some files to LGPLv2+ or v2v3, OK by all contributors according to relicensecheck.pl
Summary:
Unfortunately this doesn't cover all LGPLv2-only files.
I cannot find a way to contact Bernhard Loos
(and didn't get a reply from Martijn Klingens)
NO_CHANGELOG
Test Plan: Builds
Reviewers: apol, cgiboudeaux
Reviewed By: cgiboudeaux
Subscribers: cgiboudeaux, kde-frameworks-devel
Tags: Frameworks
Differential Revision: https://phabricator.kde.org/D25975