CircleCI: now parent typo3 container is build from scratch as well (instead of pulling it from Docker Hub)
Dockerfile: follow changes introduced in parent image
Update to the new million12/typo3-flow-neos-abstract image

Also, fig doesn't now use separate data-only containers. This seems to be a bit overkill for demonstration purposes.
README update
CircleCI tests improved
Merge pull request #1 from million12/dev

Update to the new million12/typo3-flow-neos-abstract container