Merge pull request #305 from sylvaindeloux/2.3-develop

API GET tests
Merge pull request #306 from sylvaindeloux/2.3-develop

Added POST API tests
[travis] make travis work
[travis] tweak some values
remove verbose mode of behat
[travis] mock email
Added hostname to media CDN config
Merge pull request #308 from Bladrak/mediaHost

Added hostname to media CDN config
[travis] run the check.php
Added functionnal tests for order statuses display
Implemented prefixed id
Merge pull request #309 from Bladrak/addTestOrderStatuses

Added functionnal tests for order statuses display
Added JS confirmation for un-updated basket