First owl export using cmaps
Rename ni-o.owl with cmaps suffix
Merge pull request #3 from cmaumet/owlFromCmaps

First owl export using cmaps
fix: ni-o.owl deleted in upstream/master and modified in HEAD.
add: dicom terms as data properties
add: dicom namespace and replace neurolex URI
add: temporary title and date
upd: extracting terms from nlx
add: IAO_0000115 definition