Preconfigure Resource URLs in civicrm.settings.php

Warning after programmatically enabling CiviVolunteer extension http://drupal.stackexchange.com/questions/97340

Failed to determine URL for extension (org.civicrm.volunteer). Please update Resource URLs.

#2082713: Filename of civicrm.settings.php.tpl changed to civicrm.settings.php.template in CiviCRM 4.4

$civicrm_setting['Directory Preferences']['extensionsDir'] is being configured. According to http://wiki.civicrm.org/confluence/display/CRMDOC/Override+CiviCRM+Settings, the Resource URL should be $civicrm_setting['URL Preferences']['userFrameworkResourceURL'] = 'http://example.com/example-resource-url/';