Merge pull request #679 from tobegit3hub/master

Add docker-registry-driver-elliptics in DRIVERS.md

Author: dmp42

DRIVERS.md

@@ -1,7 +1,7 @@
 
 # Drivers
 
-* [docker-registry-driver-gcs](https://github.com/dmp42/docker-registry-driver-gcs)
+* [docker-registry-driver-elliptics](https://github.com/noxiouz/docker-registry-driver-elliptics)
 * [docker-registry-driver-swift](https://github.com/bacongobbler/docker-registry-driver-swift)
 * [docker-registry-driver-qiniu](https://github.com/zhangpeihao/docker-registry-driver-qiniu)
 * [docker-registry-driver-hdfs](https://github.com/lyda/docker-registry-driver-hdfs)