TRAVIS UPDATE DOCUMENTATION: https://docs.travis-ci.com/user/migrate/open-source-repository-migration
see also https://devops.stackexchange.com/questions/1201/whats-the-difference-between-travis-ci-org-and-travis-ci-com and https://mailchi.mp/3d439eeb1098/travis-ciorg-is-moving-to-travis-cicom