Ensure the staging_dir is removed at the end of the build
Ensure the staging_dir is removed at the end of the build

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