Validates min price on product
Validates min price on product

the database has this constraint already. Adding so the ruby models
match.

pozorvlak/growstuff,cesy/growstuff,cesy/growstuff,yez/growstuff,pozorvlak/growstuff,dv2/growstuff,dv2/growstuff,yez/growstuff,Growstuff/growstuff,cesy/growstuff,cesy/growstuff,dv2/growstuff,pozorvlak/growstuff,Br3nda/growstuff,yez/growstuff,Growstuff/growstuff,Growstuff/growstuff,pozorvlak/growstuff,yez/growstuff,Br3nda/growstuff,Growstuff/growstuff,Br3nda/growstuff,Br3nda/growstuff,dv2/growstuff