D-Net

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

Removing usage of working_dir from Java workflow node.

#1195 removing obsolete ports docreation and datasetid from hbase mapred import, removing references to those ports in workflow.xml files, updating transformer by removing filtering by datasetid due to decisions made in #1072

#1133 dropping useless workfing_dir creation for java nodes

updating job.properties

updating default job properties

updating default job properties

#1070 updating import_project_concepts_context_ids_csv default value to "fet-fp7,fet-h2020"

#1070 introducing support for multiple context identifiers, replacing import_project_concepts_context_id IIS input parameter with import_project_concepts_context_ids_csv

#1065 updating job properties