6.x

Fixed #2565741
Other minor changes.

Mostly bugfixes. Lots that has been lurking in dev.

Changes since 6.x-1.16:

See https://www.drupal.org/node/2565147

Changes since 6.x-2.6:

• #2522040 by wundo, Michelle: Backporting changes from Drupal 7
• #2162437 by gnassar, ehowland: PHP 5.4 strict warning: Only variables should be passed by reference

Updated README to inform Drupal 6 users of how to print the variable in their page.tpl.php.