IDPF/epubcheck — pull request #471 by josteinaj (2014-10-01 09:36:07+00:00)
Title: replaced javatuples lib with small utility class

The javatuples library is not OSGi-enabled, which as a consequence makes epubcheck unusable in a OSGi-context. Only a small portion of it is used in epubcheck anyway so it can be replaced by this small utility class.