Fundraising CRM instance

Provision a CiviCRM+Drupal site including WMF Fundraising's donation processing
modules.

This will be bare-bones: the Thank You module and communication stuff is broken
until a templating engine (Twig) and mailer are configured.

Abandon the payments wiki config, we will do this differently in another patch.

Change-Id: I42e3b14c53950da9bc0173962bd1f3b1d5b5425a