do not explicitly switch to Travis container infrastructure as that might interfere with the apt-get update process  (http://docs.travis-ci.com/user/workers/container-based-infrastructure/)
do not explicitly switch to Travis container infrastructure as that might interfere with the apt-get update process  (http://docs.travis-ci.com/user/workers/container-based-infrastructure/)

catalinmiron/generator-webfactory-open-source