Resolves "using templates for courseware pdfExport"

templates/courseware/block_types/headline.php

templates/courseware/block_types/key_point.php

templates/courseware/block_types/link.php

templates/courseware/block_types/text.php

templates/courseware/block_types/typewriter.php

templates/courseware/container_types/accordion_container.php

templates/courseware/container_types/default.php

templates/courseware/container_types/list_container.php

templates/courseware/container_types/tabs_container.php