Add openSUSE Tumbleweed support

/etc/os-release for openSUSE Tumbleweed (the rolling release from
openSUSE) has ID="opensuse-tumbleweed" so add this to
scripts/install.sh in addition to "opensuse-leap" and "sles".

Change-Id: I0134949c22c897d86253aea09219d4dbaff6907a

scripts/cleanup.sh

@@ -20,7 +20,7 @@ case ${distro} in
             python3-virtualenv
         yum clean all
         ;;
-    opensuse|opensuse-leap|sles)
+    opensuse|opensuse-leap|opensuse-tumbleweed|sles)
         if [[ "${PYTHON3}" == "no" ]]; then
             remove_packages=("python-virtualenv")
         else

scripts/install.sh

@@ -35,7 +35,7 @@ case ${distro} in
             sudo \
             ${rpm_python_packages[@]}
         ;;
-    opensuse|opensuse-leap|sles)
+    opensuse|opensuse-leap|opensuse-tumbleweed|sles)
         if [[ "${PYTHON3}" == "no" ]]; then
            rpm_python_packages+=("python-devel" "python-setuptools")
         else

scripts/install_packages.sh

@@ -18,7 +18,7 @@ if [[ ! -z ${PACKAGES} ]]; then
         centos)
             yum -y --setopt=skip_missing_names_on_install=False install ${PACKAGES[@]} ${DIST_PACKAGES}
             ;;
-       opensuse|opensuse-leap|sles)
+       opensuse|opensuse-leap|opensuse-tumbleweed|sles)
             zypper --non-interactive install --no-recommends ${PACKAGES[@]} ${DIST_PACKAGES}
             ;;
         *)