Initial implementation of Batch Inserter.

Currently Graph Base module contains the very base code for processing CitiBikeReader data and storing it into an embedded db.

TODO
- Implement Batch Inserter Standalone DB
- Migrate Base POJO objects to Graph Base.
- Ensure that our Java POJO Spring objects maps to correct properties.
- Experiement with Web interface and start building RESTful API.
Updated Batch Importer

Update Batch Importer to look cleaner and more modular.
Refactored POJO Model objects to graph-base module.
Make SDN mapping work

The imported data can now be accessed via REST.
Add SDN primary labels also
Updated Graph DB and Core test

Updated the database population and server to run via command line.

Now test our automatically passed if no data exists in the resource file.
Deleted old load-db module
Deleted old load-db module
Merge branch 'graph-reader' of https://github.com/mhotan/DD2471 into graph-reader
Merge branch 'graph-reader' of https://github.com/mhotan/DD2471 into graph-reader
Merge branch 'graph-reader' of https://github.com/mhotan/DD2471 into graph-reader
Merge pull request #5 from mhotan/graph-reader

Neo4j batch importing