Changed MwSt->USt in DE

Changed MwSt->USt in DE
Changed USt->MwSt. in CH

Changed USt->MwSt. in CH
Changed MwSt->USt in AT

Changed MwSt->USt in AT
Changed MwSt->USt in DE

Changed MwSt->USt in DE
Merge branch 'patch-1' of https://github.com/joh-klein/firegento-magesetup into patch-1