D-Net

#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

imports cleanup

#118 fixing web usage similarity exporter module

#118 bugfix: shortening node name exceeding 50 chars

#118 enabling document-websiteusage-similiarity exporter module in exporter workflow definition

#118 updating similarities exporter module: assuming relations provided as input are bidirectional so we do not create backward relations

#919 renaming DocumentToResearchInitiative to DocumentToConceptId and DocumentToResearchInitiatives to DocumentToConceptIds

#919 introducing support for exporting document project concepts, minor research-initatives exporter refactoring