D-Net

#1212 updating taxomonies database, introducing acm taxonomy classification, introducing acm classes support in exporter module, updating integration tests

commenting out countries vocabularies existance check because export is disabled

#1315 introducing document to protein databank reference extraction outcome exporter module

#1315 propagating confidenceLevel to DocumentToConceptIds. Updating PIG transformer script by introducing concept identifiers deduplication UDF function picking record with the highest confidence level, introducing unit and integration tests. Propagating changes in document to concepts exporter module.

#1257 dropping schema generation related hacks in all map-reduce modules, switching to literal schema parameters

#1135 switching icm-iis-parent-container version to 1.0.1-SNAPSHOT in order to include workingDir related changes made in icm-iis-core

Removing usage of working_dir from Java workflow node.

#1038 introducing ranges in dependencies definition for all IIS modules

imports cleanup

#118 fixing web usage similarity exporter module