Organize imports
Typo
Add SensorML 1.0.1 MimeTypes to ConverterKeyTypes
Remove MAX_GET_OBSERVATION_RESULTS_DEFINITION and use instead HYDRO_MAX_NUMBER_OF_RETURNED_VALUES.
Update HYDRO_MAX_NUMBER_OF_RETURNED_VALUES definition that 0 is no restriction.
The same for  HYDRO_MAX_NUMBER_OF_RETURNED_TIME_SERIES.
Update related check methods .
Fix obsolete SpatialFilteringProfile entity check and add feature geometry as samplingGeometry to observaiton if SpatialFilteringProfile is strict and default samlingGeometry is missing.
Fix for DescribeSensor requests with non SensorML 1.0.1 procedureDescriptionFormat (e.g. Hydrology Profile):
- Before the check in the convertProcedureDescription  method was invalid.
Merge pull request #98 from CarstenHollmann/change/max_count_for_observation

Change/max count for observation
Merge pull request #99 from CarstenHollmann/fix/strict_spatial_filtering_profile

Fix obsolete SpatialFilteringProfile entity check and add feature geomet...
Merge pull request #100 from CarstenHollmann/fix/describeSensor_with_converter_usage

Fix for DescribeSensor requests with non SensorML 1.0.1 procedureDescrip...
Fix for # 101 SOS 1.0.0 GetObservation SOAP request
- Proble: SOS 1.0.0 GetObservation SOAP request fails because the contentType is set in the AbstractRequestOperator from the requested responseFormat if it is a MimeType.
- Solution: remove the contentType setting from responseFormat.
Merge pull request #102 from CarstenHollmann/fix/failing_SOAP_getObservation

Fix for # 101 SOS 1.0.0 GetObservation SOAP request