MAINTAINER is deprecated, drop the line in all Dockerfiles as suggested by Vadim. Related: https://docs.docker.com/engine/reference/builder/#maintainer-deprecated Change-Id: If1ef3032af2075d792c526ae744ec4c0c091da3a
Change-Id: Ibbab5973b84047ee7654a5fb2a8e4b36e1d43847