CRM-15331 Backport for drush civicrm-install: check for the civicrm.settings.template file.
Merge pull request #165 from mlutfy/6.x-4.4-crm15331

CRM-15331 [6.x-4.4] Backport for drush civicrm-install: check for the civicrm.settings.template file.