D-Net

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.

merging trunk changes with IIS-CDH-5.3.0 branch

#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.

#1198 aligning IIS dependencies and java code to CDH5.3.0 cluster

#1197 introducing job.properties changes aligning paths to rumcajs cluster HDFS structure

creating IIS-CDH-5.3.0 branch