i06t06: Introduction of the embedded Neo4j API to Lionfish

The preview of the new Neo4j API has been released.
Current implementation includes TCP server and
get_model_nodes function. #102
i06t06: Introduction of the embedded Neo4j API to Lionfish

Methods createNodes and deleteNodes have been implemented.
Batch functionality has been transcribed from the old version. #102
i06t06: Introduction of the embedded Neo4j API to Lionfish

Directory structure has been reorganised. #102
Merge branch 'lionfish' of https://github.com/OceanVision/ocean into lionfish

Conflicts:
	scripts/ocean_small_exemplary_data.py