v1.1.0

• Switched to Alpine 3.5
• Optimized git clone
• Switch to a non-root user (agent)
• Added php image variant with composer, drush, drupal console, wp-cli, etc
• Added Acquia Cloud API configs for Drush
• Renamed DOCKER_HOST to DOCKSAL_HOST
  • DOCKER_HOST is now used by Bitbucket Pipelines for Docker integration