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 #100 from CarstenHollmann/fix/describeSensor_with_converter_usage

Fix for DescribeSensor requests with non SensorML 1.0.1 procedureDescrip...