[TASK] Add codeception as dev dependency

Acceptance tests will be done by using codeception

Change-Id: Idad21948afc83d07b06a8fdd4ed095700c932985
Resolves: #68111
Releases: master
Reviewed-on: http://review.typo3.org/41183


Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>