Fix README to point to travis-ci.com instead of travis-ci.org
Fix README to point to travis-ci.com instead of travis-ci.org

ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-service,ManageIQ/manageiq-ui-self_service,ManageIQ/manageiq-ui-self_service