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
add: protege owl output of the nidm-results.ttl file
rm: indiiduals left over from conversion to rdf
rm: extra spaces after definitions.
fix: SPM should be a software agent
fix: organize all maps types as subclasses of nidm:Map
fix: nidm:asCoordinateSpace is an object property.
add: domain and range for nidm:asCoordinateSpace.
add: domain and range for nidm:ClusterStatistic.
add: domain and range for nidm:clusterLabelMap.
add: domain and range for nidm:clusterSizeInVertices.
add: domain and range for nidm:clusterSizeInVoxels.
fix: add nidm:StatisticMap subclasses.
fix: add nidm:ContrastWeight subclasses.
add: domain and range for nidm:contrastName.
add: domain and range for nidm:coordinate1-3.