D-Net

#1308 reverting uri:oozie:distcp-action:0.2 change: version is not properly recognized by oozie 3.3.2-cdh4.3.1

#1260 enabling document to protein databank reference extraction in primary workflow, supporting 3 new parameters: active_referenceextraction_pdb, export_action_set_id_document_pdb, export_referenceextraction_pdb_url_root

#1315 providing missing confidenceLevel

#1315 providing missing confidenceLevel

#1315 updating expected jsons in integration test after DocumentToConceptIds schema refactoring

#1301 introducing explicit export mode flags: active_export_to_hbase and active_export_to_json. This way both exports can be enabled or both of them can be disabled.

#1308 switching distcp namespace to uri:oozie:distcp-action:0.2

disabling export by setting active_export flag to false. Results will be converted to JSON records

#1301 introducing common/export_to_json and utilizing this subworkflow in both primary and preprocessing workflows executing it when active_export=false which means hbase export is disabled

#118 explicitly defining input_document_websiteusage_similarity parameter. This is not a bug fix because exporter works properly without explicitly defining input port due to propagate-configuration mode but we should have all input port definitions aligned to avoid confusions.