KItemModels: Convert license headers to SPDX markers

Authored by cordlandwehr on Feb 13 2020, 10:34 AM.

Description

KItemModels: Convert license headers to SPDX markers

Summary:
Convert license headers to SPDX markers and add REUSE.software
compliant licesne files. This update also includes several copyright holder
clarifications for contracted contributors, where only implicitly the
copyright for the authors was stated inside the copyright statement of
the company.

Reviewers: dfaure, cgiboudeaux

Reviewed By: cgiboudeaux

Subscribers: cgiboudeaux, kde-frameworks-devel

Tags: Frameworks

Maniphest Tasks: T11550

Differential Revision: https://phabricator.kde.org/D27103

Details