First attempt on behat3 upgrate
Update to reflect changes on behat.yml
Add to composer.json  Behat3 and update the symfony extension
Legacy Admin needs specific settings for the base_url
Update files structure/namespace
Disable travis failure on package fetch timeouts
fix behat/symfony2-extension version to 2.0.* in composer.json
Merge pull request #181 from cleverti/behat_upgrade

Behat 3 upgrade
Merge branch 'master' into EZP-23328-io_interfaces_split