Migrate to run test on travis with container based infra
Migrate to run test on travis with container based infra

According to http://docs.travis-ci.com/user/migrating-from-legacy/?utm_source=legacy-notice&utm_medium=banner&utm_campaign=legacy-upgrade, it has tons of benefits.

nickzuber/ClusterRunner,nickzuber/ClusterRunner,josephharrington/ClusterRunner,box/ClusterRunner,Medium/ClusterRunner,box/ClusterRunner,Medium/ClusterRunner,josephharrington/ClusterRunner