Update to mixlib-config 2.1.0
Update to mixlib-config 2.1.0

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