Merge branch 'hotfix/etc_hosts_edit' into develop
Registry is utilized by zookeeper images

- Registry images are in variables
- zookeeper image is pushed to registry
- zookeeper unit leverages docker image names from variables
- /etc/hosts is changes even on localhost because build/push is
performed on localhost
Cleanup unused ansible roles
Run mesos related containers using ansible
Merge branch 'feature/ansible_mesos' into develop
Add ansible playbook to run marathon
Fix - enabling host net on mesos-slave and marathon

mesos slave and marathon are writing their ip addresses to the
mesos-master therefore hosts ip has to be used.
Merge branch 'release/0.1.0'

Conflicts:
	ansible/roles/ansible-coreos-marathon/docker/docker-marathon/Dockerfile
	ansible/roles/ansible-coreos-marathon/templates/marathon-dockerfile.j2
	ansible/roles/ansible-coreos-marathon/templates/marathon.x.service.j2
	ansible/roles/ansible-coreos-mesos-slave/docker/docker-mesos-slave/Dockerfile
	ansible/roles/ansible-coreos-mesos-slave/templates/mesos-slave-dockerfile.j2
	ansible/roles/ansible-coreos-mesos-slave/templates/mesos-slave.x.service.j2