Add spatial Library

- Add spatial Library
- Add Spatial Operation Test (it is not necessary, so delete it soon)
- Add def searchBySpatial (in SnbLibrary.py) : but, it's not working
because DB is not correct
rename spatialLib.py -> geoConverter.py

- Rename spatialLib.py -> geoConverter.py
- Add DB Connector Port (in SnbLibrary.py)