[WIP] Extra test and build dependencies in Docker images (#15692)

* Merge conflicts:

* [skip ci] Revert changes to run_tests.sh

gundalow will update this in a different PR

* [skip ci] Add in ubuntu1604 and opensuseleap

NOTE: We are not configuring anything to use these new images yet.
Therefore no impact on Travis performance

* python-mysql for opensuse

* It's mysql-server on centos6

test/utils/docker/ubuntu1604/Dockerfile

@@ -0,0 +1,70 @@
+FROM ubuntu:16.04
+
+ENV DEBIAN_FRONTEND noninteractive
+ENV container docker
+
+RUN apt-get clean; apt-get update -y;
+RUN echo 'APT::Install-Recommends "0"; \n\
+APT::Get::Assume-Yes "true"; \n\
+APT::Install-Suggests "0";' > /etc/apt/apt.conf.d/01buildconfig
+
+
+RUN apt-get install -y \
+    apache2 \
+    asciidoc \
+    acl \
+    bzip2 \
+    cdbs \
+    debhelper \
+    debianutils \
+    devscripts \
+    docbook-xml \
+    dpkg-dev \
+    fakeroot \
+    gawk \
+    git \
+    iproute2 \
+    libxml2-utils \
+    locales \
+    lsb-release \
+    make \
+    mercurial \
+    mysql-server \
+    openssh-client \
+    openssh-server \
+    python-dbus \
+    reprepro \
+    rsync \
+    ruby \
+    subversion \
+    sudo \
+    unzip \
+    zip \
+    xsltproc \
+    python-coverage \
+    python-httplib2 \
+    python-jinja2 \
+    python-keyczar \
+    python-mock \
+    python-mysqldb \
+    python-nose \
+    python-paramiko \
+    python-pip \
+    python-setuptools \
+    python-virtualenv \
+    virtualenv \
+    python-yaml
+
+# some tests assume the .deb is cached
+RUN rm /etc/apt/apt.conf.d/docker-clean
+
+RUN locale-gen en_US.UTF-8
+RUN ssh-keygen -q -t rsa -N '' -f /root/.ssh/id_rsa && \
+    cp /root/.ssh/id_rsa.pub /root/.ssh/authorized_keys && \
+    for key in /etc/ssh/ssh_host_*_key.pub; do echo "localhost $(cat ${key})" >> /root/.ssh/known_hosts; done
+
+RUN mkdir /etc/ansible/
+RUN /bin/echo -e "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
+
+VOLUME /sys/fs/cgroup /run/lock /run /tmp
+CMD ["/sbin/init"]