SP-32, BIS-14: JythonBaseAggregationServiceReportingPlugin introduced.

...ython/IAggregationServiceReportingPluginScriptRunner.java

...ric/server/plugins/jython/IPluginScriptRunnerFactory.java

...dss/generic/server/plugins/jython/ITableModelCreator.java

.../jython/JythonBasedAggregationServiceReportingPlugin.java

...ric/server/plugins/jython/JythonBasedReportingPlugin.java

...eric/server/plugins/jython/PluginScriptRunnerFactory.java

...cisd/openbis/dss/generic/server/plugins/jython/Utils.java

...neric/shared/api/internal/v1/IDataSetContentProvider.java