mark FusionToolDpuExecutor as deprecated
adjusted to refactored LD-FusionTool
fixed writers in FusionToolDpuComponentFactory
adjusted to refactored LD-FusionTool 2
component factory test - part 1
DataUnitRDFWriterWithMetadata test
improved code coverage
jacoco plugin
fix resource closing
component factory test - part 2
cleanup unused code