Revert "updates for CI builds"

This reverts commit 3be1f41a.

docker/build/nginx/Dockerfile → docker/build/nginx/xDockerfile

 FROM edxops/precise-common:latest
 MAINTAINER edxops
 
-ADD . /edx/app/edx_ansible/edx_ansible
-COPY docker/build/nginx/ansible_overrides.yml /
+USER docker
+WORKDIR /edx/app/edx_ansible/edx_ansible
+RUN sudo git fetch --all
+RUN sudo git checkout e0d/docker-latest
+RUN sudo git reset --hard origin/e0d/docker-latest
+RUN sudo git pull
 WORKDIR /edx/app/edx_ansible/edx_ansible/docker/plays
-
-RUN /edx/app/edx_ansible/venvs/edx_ansible/bin/ansible-playbook nginx.yml -c local \
+RUN sudo ansible-playbook nginx.yml -c local \
    -i '127.0.0.1,' \
    -e@roles/edxapp/defaults/main.yml \
    -e@roles/xqueue/defaults/main.yml \
+   -e@roles/ora/defaults/main.yml \
    -e@roles/certs/defaults/main.yml
 
+USER root
 RUN echo "\ndaemon off;" >> /etc/nginx/nginx.conf
 WORKDIR /etc/nginx
 CMD ["/usr/sbin/nginx"]