Ansible role releases, Ghost and Drupal dependencies

Releases updates:

Ghost

• v0.5.0 with Systemd, Upstart support and the option of installing a custom theme.

• v1.0.0 replacing the deprecated sudo option for become in Ansible 2.0, more on this topic.

Drupal

• v0.1.0, first Drupal dependencies release, installation of modules and themes via Drush, setting the default theme is also available.