Merge pull request #3 from ramtej/fb/Qi4j_2.0_stable

Fb/qi4j 2.0 stable
added spatial library. actually just to test topojson parsing.
added some basic GeoJSON Types
Hacked on the Spatial thing...
spatial function : ST_Within()
added dependency to Spatial4j for the Elastic Search Indexer
Very first version of the Spatial stuff in Qi4j working (well, more/less)
played with Qi4j spatial queries
some small updates on the spatial queries
some updates
working on the spatial stuff..
did some refactorings
working on the spatial stuff..
hacking on projections
additional spatial/geometry related updates
added sample geojson exportet from openstreetview
updates on the spatial stuff
updates on the spatial stuff
cleanups
added spatial model for openstreetmap