Please review and update README.markdown file in preparation for 7.2 release. See License section
From Matija Suklje:
I would only suggest the following change to update the licensing section with the newer boiler plate text suggested by FSF; as well as include an SPDX ID:
This update is not necessarily needed, but highly suggested as the old text suggested as if Liferay Portal was a software library, which is not true.
I also suggested to add a SPDX ID (with a link), which is the de-facto industry standard to tag licensing information to code.