[SD-1479] modified code so that transfer mode is configurable for FTP ingest type.
[SD-1479] modified code so that transfer mode is configurable for FTP ingest type.

superdesk/superdesk,sivakuna-aap/superdesk,superdesk/superdesk-ntb,vied12/superdesk,akintolga/superdesk-aap,mdhaman/superdesk,ancafarcas/superdesk,liveblog/superdesk,ancafarcas/superdesk,sivakuna-aap/superdesk,marwoodandrew/superdesk-aap,darconny/superdesk,amagdas/superdesk,akintolga/superdesk,petrjasek/superdesk,petrjasek/superdesk-ntb,vied12/superdesk,fritzSF/superdesk,mdhaman/superdesk,verifiedpixel/superdesk,petrjasek/superdesk-ntb,verifiedpixel/superdesk,Aca-jov/superdesk,hlmnrmr/superdesk,thnkloud9/superdesk,amagdas/superdesk,marwoodandrew/superdesk-aap,sivakuna-aap/superdesk,mugurrus/superdesk,ioanpocol/superdesk-ntb,thnkloud9/superdesk,plamut/superdesk,sjunaid/superdesk,sjunaid/superdesk,mdhaman/superdesk-aap,vied12/superdesk,ancafarcas/superdesk,mdhaman/superdesk-aap,darconny/superdesk,liveblog/superdesk,verifiedpixel/superdesk,mdhaman/superdesk-aap,superdesk/superdesk-aap,fritzSF/superdesk,mdhaman/superdesk,amagdas/superdesk,ioanpocol/superdesk,pavlovicnemanja/superdesk,mugurrus/superdesk,marwoodandrew/superdesk,liveblog/superdesk,pavlovicnemanja92/superdesk,vied12/superdesk,sivakuna-aap/superdesk,petrjasek/superdesk,gbbr/superdesk,petrjasek/superdesk-ntb,pavlovicnemanja/superdesk,plamut/superdesk,akintolga/superdesk,pavlovicnemanja92/superdesk,akintolga/superdesk,superdesk/superdesk-aap,superdesk/superdesk-aap,plamut/superdesk,gbbr/superdesk,petrjasek/superdesk-ntb,hlmnrmr/superdesk,Aca-jov/superdesk,verifiedpixel/superdesk,darconny/superdesk,plamut/superdesk,pavlovicnemanja/superdesk,superdesk/superdesk-aap,petrjasek/superdesk,verifiedpixel/superdesk,pavlovicnemanja/superdesk,liveblog/superdesk,superdesk/superdesk-ntb,akintolga/superdesk-aap,mdhaman/superdesk-aap,gbbr/superdesk,akintolga/superdesk-aap,superdesk/superdesk,pavlovicnemanja92/superdesk,Aca-jov/superdesk,pavlovicnemanja92/superdesk,sivakuna-aap/superdesk,ioanpocol/superdesk,marwoodandrew/superdesk-aap,marwoodandrew/superdesk,akintolga/superdesk,marwoodandrew/superdesk,thnkloud9/superdesk,amagdas/superdesk,mugurrus/superdesk,sjunaid/superdesk,plamut/superdesk,marwoodandrew/superdesk-aap,petrjasek/superdesk,akintolga/superdesk,superdesk/superdesk,vied12/superdesk,superdesk/superdesk-ntb,fritzSF/superdesk,superdesk/superdesk-ntb,amagdas/superdesk,ioanpocol/superdesk-ntb,ioanpocol/superdesk-ntb,hlmnrmr/superdesk,fritzSF/superdesk,ioanpocol/superdesk,superdesk/superdesk,liveblog/superdesk,akintolga/superdesk-aap,fritzSF/superdesk,pavlovicnemanja92/superdesk,marwoodandrew/superdesk,marwoodandrew/superdesk