- Add GetObservation streaming datasource for old concept.
- Refactor Hibernate observation related entity classes
  - move duplicate definitions to abstract classes
- Javadoc for new classes
Adapt checkCreateSchema() to remove further generated foreign keys and duplicated lines.
Adapt checkCreateSchema() to remove further generated foreign keys and duplicated lines.
- Update RELEASE-NOTES
- Set version from 4.0.2-SNAPSHOT to 4.1.0-SNAPSHOT (0.1.3-SNAPSHOT to 0.2.0-SNAPSHOT) because it contains new features and not only fixes.
Merge pull request #53 from CarstenHollmann/feature/streaming

Add streaming data support for the old concept and increase the current version
Fix issue with chunk streaming and not supported Spatial Filtering Profile.
Merge pull request #54 from CarstenHollmann/feature/streaming

 Fix issue with chunk streaming and not supported Spatial Filtering Profile.
Support to query all values if chunk streaming is selected by setting the chunk size <= 0.
Merge pull request #55 from CarstenHollmann/feature/streaming

Support to query all values at once if chunk streaming is selected
Add datasource identification to DAOs/ConnectionProvider:
- the webapp contains different datasource types, e.g. Hibernate, netCDF file, ...
- load only the DAOs/ConnectionProvider that have the same identificcation as during the installation selected
Add JRC INSPIRE SOS logos
Merge branch 'develop' into feature/envirocar_ds
Further changes and implementations for enviroCar support:
- add datasource DAO identification, required for same session factory but different DAO implementations
- add default Hibernate OGM datasource and session factory
- add enviroCar structure
better Netbeans ignore
added final modifiers
log service response time
use Multimap instead of Map<K,Collection<V>>
Current state
Use envirocar-server instead of Hibernate OGM
Fix problem with duplicated entries in generated SQL scripts.