initial contribution

added .travis.yml.

added tox.ini.

added defaults/main.yml.

added handlers/main.yml.

added meta/main.yml.

added vars/main.yml.

added README.md.

added tasks/main.yml.

added tests/inventory file.

added tests/test.yml file.

added Vagrantfile.

added script to run playbook on all Vagrant boxes.

added vagrant inventory file.

added bash script to run basic role tests.

added tests/ansible.cfg file.