1.9.0

• #111: Replace phpMyAdmin with Adminer.
• #110: Move requirements.txt into provisioning directory.
• #115: Add a LICENSE file.
• Update JJG-Ansible-Windows sub-project to latest release (1.0.3).
• #103: Make Drupal VM easily work with CentOS and other OSes.
• #114: Set up Drush configuration folder on host machine.
• #105: Add a little more documentation in makefile.
• #108: Split out site installation from makefile build process.
• #102: Disable firewall logging by default.
• #98: Use more consistent defaults for local domain names.