Currently the boilerplate uses Ubuntu 14.04 (trusty) for Travis CI instances.
This PR updates the Travis configuration to use Ubuntu 16.04 (xenial), which offers significantly better performance, and removes the need to use a separate MySQL repository for MySQL 5.7.
Currently the boilerplate uses Ubuntu 14.04 (trusty) for Travis CI instances.
This PR updates the Travis configuration to use Ubuntu 16.04 (xenial), which offers significantly better performance, and removes the need to use a separate MySQL repository for MySQL 5.7.