fixing issue with demo_with_images template

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extra : source : 30ec84bfe225b898a679e0394bc594408bcfcdf3
Showing vendor skus instead of our skus on purchase orders, rfq's and vendor invoices

--HG--
extra : source : 6da65abecb790e71d53ec9296b1993b745a1ae02
Merge pull request #364 from einhverfr/1.4

fixing issue with demo_with_images template