Minimal Travis-CI installations - run shell script

---

examples/minimal-shell-script/.travis.yml

language: minimal
script: ./run.sh

before_script: chmod +x run.sh

examples/minimal-shell-script/run.sh

echo Hello World
python -V
python3 -V
ruby -v
perl -v
docker -v
git --version
lsb_release -a
uname -a