added new vocabularies
moved XSDDatatypeCompatibleLiterals metric to new structure
new structure in metrics.properties

Updated metrics.properties config file to be consistent with the new
dimension structure
renamed MappingMetric class

Renamed the MappingMetric class to be consistent with the methodology
proposed in my thesis
updates on SparqlifyDataset

- removed the model loading in the readFromDump method
- added multiple prefixes support (which breaks most of the metrics)
removed unused files
updated QualityAssessment class

- minor updates
- updates to allow multiple prefixes for a dataset
- also needed changes on the SparqlifyDataset class
Added logging to SparqlGraph
minor updates on RdbSink

- enlarged varchar columns for (node) triple/quad objects
- enlarged varchar column for SQLOp queries
updates on Metric and MetricImpl for mult. prefixes
added new vocabs to vocab loader
cleaned up environment.properties file
moved ValidLanguageTag metric to new structure
updates and fixes for DereferenceableUris metric

- added logging for DereferenceableUris class
- modified DereferenceableUris and DereferenceableUrisTest to work with
  multiple local dataset prefixes
updated and moved DatasetMetadata

- updates on DatasetMetadata to work with multiple local dataset
  prefixes
- moved DatasetMetadata and DatasetMetadataTest to new dimension
  structure
further fixes w.r.t. multiple local prefixes
updates on InterlinkingCompleteness metric and tests

- general updates: count interlinked resources instead of interlinks
- multiple local prefixes updates
updated example in environment.properties
updated ExternalSameAsLinks metrics

- added support for multiple local dataset prefixes
- refactored metric to use SPARQL query to get triple count
minor updates on BasicOntologyConformance metric