merging trunk changes with IIS-CDH-5.3.0 branch
creating IIS-CDH-5.3.0 branch
#1176 defining remove_sideproducts property in workflows headers
removing duplicate collapser import and aligning worklfow definition
#1133 dropping useless workfing_dir creation for java nodes
#919 renaming DocumentToResearchInitiative to DocumentToConceptId and DocumentToResearchInitiatives to DocumentToConceptIds
#919 enabling concepts matching for FET projects in mainworkflows: import, export, primary and preprocessing
#1022 introducing extracted document metadata collapser at importing phase.Propagating extracted document mentadata (including PMC ingested metadata) to processing part of workflow what can be exploited by citation matching module.Introducing citations collapser in last stage of processing phase collapsing ingested citations with matched citations.
#568, #577 enabling proper citations export by introducing PMC citation ingestion and citation matching outcome merging and grouping for exporting purposes. Introducing union instead of collapser which should be introduced in near future.
#486 introducing last piece missing: text collapser in front of referenceextraction_researchinitiatives joining text contents coming from already existing document_text input port and newly introduced document_text_wos input port providing WoS contents
intregrating pmc citations ingestion with primary workflow, adjust port names, deduplicating dependencies