Fix compatibility with ICAT 4.3.0: DataCollection.parameters vs. DataCollection.dataCollectionParameters.  Fix serialization of DataCollection: must include also the parameters.
Fix compatibility with ICAT 4.3.0: DataCollection.parameters
vs. DataCollection.dataCollectionParameters.  Fix serialization of
DataCollection: must include also the parameters.

git-svn-id: 5b1347ddac5aba1438c637217dfe0bb137609099@229 8efdbd46-c5fb-49ab-9956-99f62928ec21

icatproject/python-icat