deepTools: Dockerfile fix deepTools (ubuntu -> debian)

src/docker_modules/deepTools/3.0.2/Dockerfile

-FROM ubuntu:18.04
+FROM debian:stretch
 MAINTAINER Laurent Modolo
 
 ENV DEEPTOOLS_VERSION=3.0.2
-ENV PACKAGES build-essential=12.4* \
-             python3-pip=9.0.1* \
-             python3-setuptools=39.0.1* \
-             python3-dev=3.6.5* \
-             python3-wheel=0.30.0* \
-             zlib1g-dev=1:1.2.11* \
-             libcurl4-gnutls-dev=7.58.0*
+ENV PACKAGES build-essential \
+             python3-pip \
+             python3-setuptools \
+             python3-dev \
+             python3-wheel \
+             zlib1g-dev \
+             libcurl4-gnutls-dev
 
 RUN apt-get update && \
     apt-get install -y --no-install-recommends ${PACKAGES} && \