Activated Commons metadata from GeoExtractor.
Merge pull request #6 from gaurav/feature/basic-commons-support

Basic Commons support
Merge branch 'master' of https://github.com/dbpedia/extraction-framework into feature/basic-commons-support
Merge branch 'master' of https://github.com/dbpedia/extraction-framework
Merge branch 'master' into feature/geoextractor
Merge branch 'master' into feature/mappingsextractor
Updated MappingExtractor to support Commons namespaces.
Merge branch 'feature/geoextractor' into feature/mappingextractor-and-geoextractor
Merge pull request #228 from gaurav/feature/mappingextractor-and-geoextractor

Feature/mappingextractor and geoextractor