#1212 updating classification test expected results after fixing typo: dccclasses->ddcclasses in taxonomies.db
#1212 updating null taxonomy test expected results after fixing typo: dccclasses->ddcclasses in taxonomies.db
#1212 updating taxomonies database, introducing acm taxonomy classification, introducing acm classes support in exporter module, updating integration tests
updating expected test outcome after confidence level normalization
Removing usage of working_dir from Java workflow node.
#1133 dropping useless workfing_dir creation for java nodes
json records updated