Merge pull request #14427 from Evalle/14404-add-Metatag

Adding Group Metatag

hack/make/.build-rpm/docker-engine.spec

@@ -2,6 +2,7 @@ Name: docker-engine
 Version: %{_version}
 Release: %{_release}%{?dist}
 Summary: The open-source application container engine
+Group: Tools/Docker
 
 License: ASL 2.0
 Source: %{name}.tar.gz