#1304 fixing integration tests by changing fundingClass contents in project.json to be complaint with new requirements (two chunks separated with '::')
#1304 removing sqlite integration test after model refactoring - it is impossible to maintain projects.db file in a reasonable way, plus this test is covered by main project referenceextraction integration test
#1335 fixing SQLError appearing when empty input provided, introducing set of integration tests
Removing usage of working_dir from Java workflow node.
#1133 dropping useless workfing_dir creation for java nodes
#919 renaming DocumentToResearchInitiative to DocumentToConceptId and DocumentToResearchInitiatives to DocumentToConceptIds