i06t14: Full support of the Neo4j embedded API in Lionfish

Lionfish structure has been reorganised. Json has been
fixed - now it almost fits my needs. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

A few improvements of the server have been added. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

Introduction of the Scala-powered Lionfish client.
Unstable version. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

The Scala-powered Lionfish server has been enriched with
general methods. It has already become as functional as
the old Python-based server. Unstable version. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

README file has been added. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

README file has been updated. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

A few bugs have been fixed. Unit tests set 1.x have been
created. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

Unit tests set 2.x have been created. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

A few bugs have been fixed. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

Methods deleteProperties, setRelationshipProperties and
deleteRelationshipProperties have been added to Lionfish. #120
i06t14: Full support of the Neo4j embedded API in Lionfish

Test cases for the new methods have been added. Moreover a few
tiny bugs have been fixed and I hope Lionfish is pretty stable now. #120
Merge pull request #124 from OceanVision/lionfish

Lionfish!