- remove 0001-Fix-metadata-cache-overlap.patch since it is already
in upstream: https://review.openstack.org/#/c/506315/

- Update to version ec2-api-5.0.1.dev7:
* zuul: create zuul.yaml and run tripleo scenario002
* specify version for tox
* Updated from global requirements
* fix ec2-api-metadata memcached overlap with nova-api