add error reporter to debug failed downloads
add error reporter to debug failed downloads

hugosato/omnibus,higanworks/omnibus,DataDog/omnibus-ruby,strangelittlemonkey/omnibus,mattray/omnibus,szechyjs/omnibus,3ofcoins/chef-omnibus,szechyjs/omnibus,strangelittlemonkey/omnibus,Scalr/omnibus,chef/omnibus,intfrr/omnibus,rhass/omnibus,lvfeng1130/omnibus,lvfeng1130/omnibus,mattray/omnibus,pskrz/omnibus,rapid7/omnibus,servebox/omnibus,intfrr/omnibus,chef/omnibus,servebox/omnibus,DataDog/omnibus-ruby,ashhher3/omnibus,rhass/omnibus,jamesn/omnibus,pskrz/omnibus,intfrr/omnibus,chef/omnibus,rapid7/omnibus,3ofcoins/chef-omnibus,rapid7/omnibus,servebox/omnibus,szechyjs/omnibus,pskrz/omnibus,mattray/omnibus,rhass/omnibus,sh9189/omnibus,lvfeng1130/omnibus,sh9189/omnibus,ashhher3/omnibus,Scalr/omnibus,hugosato/omnibus,adamleff/omnibus,higanworks/omnibus,ashhher3/omnibus,Altiscale/omnibus,Scalr/omnibus,DataDog/omnibus-ruby,hugosato/omnibus,strangelittlemonkey/omnibus,adamleff/omnibus,higanworks/omnibus,jamesn/omnibus,jamesn/omnibus,adamleff/omnibus,Altiscale/omnibus,Altiscale/omnibus,3ofcoins/chef-omnibus,sh9189/omnibus