Update grunt tasks for heroku
Update grunt tasks for heroku

mociepka/saleor,laosunhust/saleor,KenMutemi/saleor,laosunhust/saleor,mociepka/saleor,rodrigozn/CW-Shop,rchav/vinerack,maferelo/saleor,maferelo/saleor,UITools/saleor,itbabu/saleor,car3oon/saleor,UITools/saleor,jreigel/saleor,itbabu/saleor,rchav/vinerack,KenMutemi/saleor,rodrigozn/CW-Shop,rchav/vinerack,car3oon/saleor,rodrigozn/CW-Shop,car3oon/saleor,HyperManTT/ECommerceSaleor,UITools/saleor,HyperManTT/ECommerceSaleor,tfroehlich82/saleor,itbabu/saleor,HyperManTT/ECommerceSaleor,mociepka/saleor,spartonia/saleor,laosunhust/saleor,UITools/saleor,tfroehlich82/saleor,spartonia/saleor,laosunhust/saleor,tfroehlich82/saleor,spartonia/saleor,UITools/saleor,jreigel/saleor,spartonia/saleor,maferelo/saleor,jreigel/saleor,KenMutemi/saleor