move dependencies to vendor

vendor/github.com/docker/distribution/Dockerfile

@@ -0,0 +1,19 @@
+FROM golang:1.4
+
+RUN apt-get update && \
+    apt-get install -y librados-dev apache2-utils && \
+    rm -rf /var/lib/apt/lists/*
+
+ENV DISTRIBUTION_DIR /go/src/github.com/docker/distribution
+ENV GOPATH $DISTRIBUTION_DIR/Godeps/_workspace:$GOPATH
+ENV DOCKER_BUILDTAGS include_rados
+
+WORKDIR $DISTRIBUTION_DIR
+COPY . $DISTRIBUTION_DIR
+COPY cmd/registry/config-dev.yml $DISTRIBUTION_DIR/cmd/registry/config.yml
+RUN make PREFIX=/go clean binaries
+
+VOLUME ["/var/lib/registry"]
+EXPOSE 5000
+ENTRYPOINT ["registry"]
+CMD ["cmd/registry/config.yml"]