registry.cc: don't make so much local copys, reuse container datastructure

should safe us some instrutions

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
typedisplay: fix dumping of enum-values to std::ostream

like "builder.getRegistry().dump(std::cout)"

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
export.cc: add missing newlines to xml-exporter

cosmetic...

Signed-off-by: Martin Zenzes <martin.zenzes@dfki.de>
Merge pull request #12 from jmachowinski/cosmetic-changes

Cosmetic changes