Create new registration if necessary when importing AIPSDownload_latest

The mail contains the followwing lines
>Create Iks-Numbers: 1
>  ISKNR 54371: NovoNorm® 

This happens, because in Packungen.xls you have 
>54374	1	Rimadyl 20mg ad us.vet., Tabletten	Pfizer AG		QM01AE91	Tierarzneimittel	13.05.1998	13.05.1998	27.11.2013	011	20	Tablette(n)	B	carprofenum	carprofenum 20 mg, excipients per tablet.	Nichtsteroidaler Entzündungshemmer für Hunde

Which contradicts what we find in the XML.

There are also two commit with changes for the migration to Minitest.