Added ".gitignore".
Initial commit.
Added Neo4J dependency.
First graph test.
Added code from LExAu adapted for graph database instead of JPA. All tests fail.
Started implementing "InteractionContextDAO" and related classes.
Removed BaseGraphDTO.java and KeyGraphNodeDAO.java.
Improved package "org.leialearns.graph.interactive".
Made "InteractionContextTest" pass.
Fixed missing structure in near object of InteractionContext.
Improved logging.
Made "StructureTest" pass.
Changed "TODO: implement" to throw exception.
Implemented "Structure.updateMaxDepth".
Added implementation for "SymbolDAO.save".
Made "SessionTest" pass.
Moved repository interfaces close to the corresponding DAO's
Made "TestUtilities" pass.
Made "ModelTest" pass.
Fixed spring configuration of ObserverTest.
Made "ObserverTest" pass.
Made "EncounterTest" pass.
Made "MinimizerTest" pass.