Added implementation of transformation to create the induced subgraph
Merge branch 'feature/sampling-graphproperty' into feature/create-SampledSubgraph
first steps creating the subgraph:
- getting the sampled nodes
- started sampledEdges Filter
implementation of transform method
constructor for subgraph transformation
Workflow definition and implementation
removed old test classes
changes to provide a fastWorkflow without persisting every single step
todo note
Merge branch 'feature/workflow' into develop
Merge branch 'feature/create-SampledSubgraph' into develop
naming of transformation for extracting the sampled subgraph