Add dockerhub star/download numbers badge

lalyos · lalyos · commit b9d2ed5aa8c5 · 2015-08-05T11:47:46.000+02:00
diff --git a/README.md b/README.md
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 Apache Spark on Docker
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+[![DockerPulls](https://img.shields.io/docker/pulls/sequenceiq/spark.svg)](https://registry.hub.docker.com/u/sequenceiq/spark/)
+[![DockerStars](https://img.shields.io/docker/stars/sequenceiq/spark.svg)](https://registry.hub.docker.com/u/sequenceiq/spark/)
+
+
 This repository contains a Docker file to build a Docker image with Apache Spark. This Docker image depends on our previous [Hadoop Docker](https://github.com/sequenceiq/hadoop-docker) image, available at the SequenceIQ [GitHub](https://github.com/sequenceiq) page.
 The base Hadoop Docker image is also available as an official [Docker image](https://registry.hub.docker.com/u/sequenceiq/hadoop-docker/).
 
