adding test id as a param to the qrda cat 3 exporter
fixing issue where reporting rate and measure data sections where not wrapped by component element.  Implementing nullFlavor for unkown supplemental data counts
adding some comments to generated xml for cat 3 documents
adding null flavoured id element to the supplemental data templkate because the Payer supplumentatl data section needs it and it wont hurt the others.
Updating the Cat III export code to deal with measures that have multiple population types, like multiple IPPs
Merge remote-tracking branch 'cy/develop' into develop

Conflicts:
	templates/cat3/show.cat3.erb