First version of metric Exclusion of Outdated Data.
- Added class implementing the Exclusion of Outdated Data metric.
- Added the corresponding Unit Test.
- Added the respective annotations to the Dqm ontology.
- Upgraded the test data-dump used by the Currency metrics.
- Moved the Unit Test class for the Short URIs metric, to the appropriate package.
- Tiny improvements to the logs set into the class CurrencyDocumentStatements.