Add a deprecation message for invoking Omnibus.config
Add a deprecation message for invoking Omnibus.config

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