IDPF/epubcheck — pull request #432 by rdeltour (2014-08-30 00:44:14+00:00)
Title: Initial (incomplete) support for EDUPUB

* Import schemas from @mattgarrish
* custom OPF checks based on the `edupub` `dc:type` value
* custom XHTML checks based on the `edupub` `dc:type` value