Merge "Add config-internal/config-external to Designate containers"

docker/centos/binary/designate/designate-api/Dockerfile

.../centos/binary/designate/designate-api/config-external.sh

.../centos/binary/designate/designate-api/config-internal.sh

...entos/binary/designate/designate-backend-bind9/Dockerfile

...nary/designate/designate-backend-bind9/config-external.sh

...nary/designate/designate-backend-bind9/config-internal.sh

docker/centos/binary/designate/designate-central/Dockerfile

...tos/binary/designate/designate-central/config-external.sh

...tos/binary/designate/designate-central/config-internal.sh

docker/centos/binary/designate/designate-mdns/Dockerfile

...centos/binary/designate/designate-mdns/config-external.sh

...centos/binary/designate/designate-mdns/config-internal.sh

.../centos/binary/designate/designate-poolmanager/Dockerfile

...binary/designate/designate-poolmanager/config-external.sh

...binary/designate/designate-poolmanager/config-internal.sh

docker/centos/binary/designate/designate-sink/Dockerfile

...centos/binary/designate/designate-sink/config-external.sh

...centos/binary/designate/designate-sink/config-internal.sh

docker/common/designate/designate-api/config-external.sh

docker/common/designate/designate-api/config-internal.sh