Release Engine 1.13 documentation

Dockerfile

@@ -17,19 +17,19 @@ RUN git clone https://www.github.com/docker/docker.github.io temp; \
 COPY . allv
 
 ## Branch to pull from, per ref doc
-ENV ENGINE_BRANCH="1.12.x"
+ENV ENGINE_BRANCH="1.13.x"
 ENV DISTRIBUTION_BRANCH="release/2.5"
 
 # The statements below pull reference docs from upstream locations,
 # then build the whole site to static HTML using Jekyll
 
-RUN svn co https://github.com/docker/docker/branches/$ENGINE_BRANCH/docs/reference allv/engine/reference \
- && svn co https://github.com/docker/docker/branches/$ENGINE_BRANCH/docs/extend allv/engine/extend \
+RUN svn co https://github.com/docker/docker/branches/$ENGINE_BRANCH/docs/extend allv/engine/extend \
  && wget -O allv/engine/deprecated.md https://raw.githubusercontent.com/docker/docker/$ENGINE_BRANCH/docs/deprecated.md \
  && svn co https://github.com/docker/distribution/branches/$DISTRIBUTION_BRANCH/docs/spec allv/registry/spec \
  && wget -O allv/registry/configuration.md https://raw.githubusercontent.com/docker/distribution/$DISTRIBUTION_BRANCH/docs/configuration.md \
  && rm -rf allv/apidocs/cloud-api-source \
  && rm -rf allv/tests \
+ && wget -O allv/engine/api/v1.25/swagger.yaml https://raw.githubusercontent.com/docker/docker/$ENGINE_BRANCH/api/swagger.yaml \
  && jekyll build -s allv -d allvbuild \
  && find allvbuild/engine/reference -type f -name '*.html' -print0 | xargs -0 sed -i 's#href="https://docs.docker.com/#href="/#g' \
  && find allvbuild/engine/extend -type f -name '*.html' -print0 | xargs -0 sed -i 's#href="https://docs.docker.com/#href="/#g' \