Fix minor label inconsistency
Update DataSetVersioning.owl

Changed prefix (as suggested in https://github.com/jneubert/skos-history/issues/4#issuecomment-26005274)
Update DataSetVersioning.owl

Change prefix (cont.)
used logical URI for pdf doc on ISO 25964 - SKOS extension.
A project specific thesaurus version difference report made for an EU project EUROVOC where we used SKOS-XL (so a label has a URI).
It may be used as a basis to represent and process Concept Scheme Instances diffs.
Done in XML as it is typically something to be processed in back-office and XML allows for easy sorting.
- make a human readable report
- update classification
- update indexes
added property requiresDatasetOfRecord
establishing a dependency relationship between dataset versions of different data set version histories.
global change of prefix alias
Merge pull request #1 from jneubert/naming_versionRecord

Fix minor label inconsistency