PRD-3965: Query is named now again, to eventually allow multiple datasources
Added helper function that converts one of the big-data datasources into a plain kettle datasource
PRD-3965 Fix up errors in execution after refactor
Merge remote-tracking branch 'upstream/PRD-3965_mongoDB_Native_Datasource' into PRD-3965_MongoDB_Native_Datasource

Conflicts:
	designer/datasource-editor-bigdata/source/org/pentaho/reporting/ui/datasources/bigdata/BigDataDataSourcePlugin.java