Issue #1911546: restore PDF module name line removed by mistake.
Merge branch '7.x-1.x' of git.drupal.org:project/print into 7.x-1.x
Merge branch '6.x-1.x' of git.drupal.org:project/print into 6.x-1.x
Use optimized PNG images.
Use optimized images.
Issue #1806282: fix TCPDF cache path location bug.
Issue #1804436: fix PHP notices when using print_join_page_counter
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