Call pantheon.php's pantheon_bulk_file_delete rather than drops-7 pantheon_api_bulk_file_delete
remove calls to pantheon_api_load_api, which only loads now deprecated functions
Merge pull request #37 from pantheon-systems/bulkfiledelete

Call pantheon.php's pantheon_bulk_file_delete rather than drops-7 panthe...
Drupal 7.27
Drupal 7.27 release
Add function_exists for bulk_file_delete to prevent errors in local development environments
Update to Drupal 7.27. Check out the release notes for upgrade instructions and a list of changes - https://drupal.org/drupal-7.27-release-notes.