Add 'license-name' matching SPDX conventions
Add 'license-name' matching SPDX conventions

References:
http://spdx.org/licenses/
https://www.mediawiki.org/wiki/Manual:$wgExtensionCredits#license-name

Change-Id: Ib143c8bf99a144b67237f6b0cae2d0186b543502

wikimedia/mediawiki-extensions-Disambiguator,wikimedia/mediawiki-extensions-Disambiguator