move dockerfiles to separate directory

diff --git a/ch13/playbooks/memcached/Dockerfile b/ch13/dockerfiles/memcached/Dockerfile
similarity index 100%
rename from ch13/playbooks/memcached/Dockerfile
rename to ch13/dockerfiles/memcached/Dockerfile

diff --git a/ch13/playbooks/memcached/Makefile b/ch13/dockerfiles/memcached/Makefile
similarity index 100%
rename from ch13/playbooks/memcached/Makefile
rename to ch13/dockerfiles/memcached/Makefile

diff --git a/ch13/playbooks/mezzanine/Dockerfile b/ch13/dockerfiles/mezzanine/Dockerfile
similarity index 100%
rename from ch13/playbooks/mezzanine/Dockerfile
rename to ch13/dockerfiles/mezzanine/Dockerfile

diff --git a/ch13/playbooks/mezzanine/Makefile b/ch13/dockerfiles/mezzanine/Makefile
similarity index 100%
rename from ch13/playbooks/mezzanine/Makefile
rename to ch13/dockerfiles/mezzanine/Makefile

diff --git a/ch13/playbooks/mezzanine/ansible/files/gunicorn.conf.py b/ch13/dockerfiles/mezzanine/ansible/files/gunicorn.conf.py
similarity index 100%
rename from ch13/playbooks/mezzanine/ansible/files/gunicorn.conf.py
rename to ch13/dockerfiles/mezzanine/ansible/files/gunicorn.conf.py

diff --git a/ch13/playbooks/mezzanine/ansible/files/local_settings.py b/ch13/dockerfiles/mezzanine/ansible/files/local_settings.py
similarity index 100%
rename from ch13/playbooks/mezzanine/ansible/files/local_settings.py
rename to ch13/dockerfiles/mezzanine/ansible/files/local_settings.py

diff --git a/ch13/playbooks/mezzanine/ansible/files/scripts/setadmin.py b/ch13/dockerfiles/mezzanine/ansible/files/scripts/setadmin.py
similarity index 100%
rename from ch13/playbooks/mezzanine/ansible/files/scripts/setadmin.py
rename to ch13/dockerfiles/mezzanine/ansible/files/scripts/setadmin.py

diff --git a/ch13/playbooks/mezzanine/ansible/files/scripts/setsite.py b/ch13/dockerfiles/mezzanine/ansible/files/scripts/setsite.py
similarity index 100%
rename from ch13/playbooks/mezzanine/ansible/files/scripts/setsite.py
rename to ch13/dockerfiles/mezzanine/ansible/files/scripts/setsite.py

diff --git a/ch13/playbooks/mezzanine/ansible/mezzanine-container.yml b/ch13/dockerfiles/mezzanine/ansible/mezzanine-container.yml
similarity index 100%
rename from ch13/playbooks/mezzanine/ansible/mezzanine-container.yml
rename to ch13/dockerfiles/mezzanine/ansible/mezzanine-container.yml

diff --git a/ch13/playbooks/nginx/Dockerfile b/ch13/dockerfiles/nginx/Dockerfile
similarity index 100%
rename from ch13/playbooks/nginx/Dockerfile
rename to ch13/dockerfiles/nginx/Dockerfile

diff --git a/ch13/playbooks/nginx/Makefile b/ch13/dockerfiles/nginx/Makefile
similarity index 100%
rename from ch13/playbooks/nginx/Makefile
rename to ch13/dockerfiles/nginx/Makefile

diff --git a/ch13/playbooks/nginx/nginx.conf b/ch13/dockerfiles/nginx/nginx.conf
similarity index 100%
rename from ch13/playbooks/nginx/nginx.conf
rename to ch13/dockerfiles/nginx/nginx.conf