Pick up RC version of ohai while building MSI if it is specified.
Pick up RC version of ohai while building MSI if it is specified.

BackSlasher/chef,chef/chef-dk,brettcave/chef,mattray/omnibus-chef,mattray/chef,josb/chef,vinyar/chef-dk,jonlives/chef,MsysTechnologiesllc/chef,sanditiffin/chef,chef/chef,aaron-lane/chef,rhass/omnibus-chef,brettcave/chef,mattray/chef,gene1wood/chef,Ppjet6/chef,jkerry/chef,tomdoherty/chef,ChaosCloud/chef,higanworks/chef,natewalck/chef,aaron-lane/chef,ChaosCloud/chef,youngjl1/chef,jonlives/omnibus-chef,natewalck/chef,osuosl/omnibus-chef,evan2645/chef,criteo-forks/chef,ChaosCloud/chef,mal/chef,sanditiffin/chef,b002368/chef-repo,jkerry/chef,onlyhavecans/chef,b002368/chef-repo,nathwill/chef,tas50/chef-dk,strangelittlemonkey/chef,3dinfluence/chef,nvwls/chef,mikedodge04/chef,ranjib/chef,Kast0rTr0y/chef,tomdoherty/chef,tas50/chef-dk,martinisoft/chef,josb/chef,robmul/chef,sekrett/chef,Ppjet6/chef,criteo-forks/chef,chef/opscode-pushy-client,Kast0rTr0y/chef,Ppjet6/chef,Ppjet6/chef,nathwill/chef,jkerry/chef,criteo-forks/chef,oclaussen/chef,sekrett/chef,strangelittlemonkey/chef,vinyar/chef-dk,Tensibai/chef,tas50/chef-1,strangelittlemonkey/chef,webframp/chef,ChaosCloud/chef,Altiscale/omnibus-chef,webframp/chef,someara/chef,3dinfluence/chef,nvwls/chef,Tensibai/chef,sekrett/chef,zackp30/omnibus-chef,nathwill/chef,Altiscale/omnibus-chef,nathwill/chef,BackSlasher/chef,tomdoherty/chef,martinisoft/chef,BackSlasher/chef,adamleff/omnibus-chef,oclaussen/chef,youngjl1/chef,MsysTechnologiesllc/chef,oclaussen/chef,mwrock/chef,ranjib/chef,webframp/chef,chef/chef,onlyhavecans/chef,jonlives/omnibus-chef,osuosl/omnibus-chef,tknerr/omnibus-chef,Kast0rTr0y/chef,zuazo-forks/chef,tas50/chef-1,someara/chef,juliandunn/omnibus-chef,oclaussen/chef,brettcave/chef,mikedodge04/chef,zackp30/omnibus-chef,nvwls/chef,chef/chef,chef/opscode-pushy-client,juliandunn/chef,strangelittlemonkey/chef,gene1wood/chef,tbunnyman/chef,criteo-forks/chef,youngjl1/chef,fastly/omnibus-chef,evan2645/chef,onlyhavecans/chef,mal/chef,Altiscale/omnibus-chef,jaymzh/chef,evan2645/chef,Ppjet6/chef,someara/chef,ranjib/chef,martinisoft/chef,tknerr/omnibus-chef,jonlives/chef,mattray/omnibus-chef,docwhat/chef,sanditiffin/chef,aaron-lane/chef,Kast0rTr0y/chef,ranjib/chef,someara/chef,jkerry/chef,webframp/chef,juliandunn/omnibus-chef,natewalck/chef,Kast0rTr0y/chef,brettcave/chef,tas50/chef-1,smurawski/chef,BackSlasher/chef,mal/chef,tbunnyman/chef,sanditiffin/chef,robmul/chef,josb/chef,chef/chef-dk,tas50/omnibus-chef,BackSlasher/chef,jonlives/chef,b002368/chef-repo,robmul/chef,martinisoft/chef,evan2645/chef,3dinfluence/chef,ranjib/chef,3dinfluence/chef,tbunnyman/chef,vinyar/chef-dk,MsysTechnologiesllc/chef,aaron-lane/chef,fastly/omnibus-chef,ranjib/chef,jonlives/chef,mal/chef,josb/chef,nvwls/chef,docwhat/chef,BackSlasher/chef,tbunnyman/chef,chef/chef,someara/chef,Tensibai/chef,higanworks/chef,nvwls/chef,tbunnyman/chef,3dinfluence/chef,mal/chef,smurawski/chef,Tensibai/chef,brettcave/chef,jaymzh/chef,mwrock/chef,docwhat/chef,mikedodge04/chef,b002368/chef-repo,3dinfluence/chef,zuazo-forks/chef,sanditiffin/chef,sekrett/chef,tomdoherty/chef,mwrock/chef,zuazo-forks/chef,zuazo-forks/chef,tknerr/omnibus-chef,b002368/chef-repo,brettcave/chef,juliandunn/chef,rhass/omnibus-chef,someara/chef,Ppjet6/chef,natewalck/chef,tas50/omnibus-chef,criteo-forks/chef,zuazo-forks/chef,mattray/chef,gene1wood/chef,youngjl1/chef,strangelittlemonkey/chef,smurawski/chef,nathwill/chef,b002368/chef-repo,juliandunn/chef,evan2645/chef,webframp/chef,mattray/chef,ChaosCloud/chef,aaron-lane/chef,smurawski/chef,rhass/omnibus-chef,sanditiffin/chef,osuosl/omnibus-chef,adamleff/omnibus-chef,robmul/chef,tomdoherty/chef,onlyhavecans/chef,zuazo-forks/chef,criteo-forks/chef,youngjl1/chef,sekrett/chef,robmul/chef,jkerry/chef,tas50/omnibus-chef,mal/chef,josb/chef,Kast0rTr0y/chef,higanworks/chef,mikedodge04/chef,juliandunn/chef,jaymzh/chef,docwhat/chef,onlyhavecans/chef,higanworks/chef,MsysTechnologiesllc/chef,jonlives/chef,evan2645/chef,chef/chef-dk,fastly/omnibus-chef,strangelittlemonkey/chef,josb/chef,oclaussen/chef,tbunnyman/chef,jkerry/chef,martinisoft/chef,youngjl1/chef,zackp30/omnibus-chef,nathwill/chef,adamleff/omnibus-chef,tas50/chef-1,mikedodge04/chef,mikedodge04/chef,gene1wood/chef,nvwls/chef,smurawski/chef,docwhat/chef,jaymzh/chef,docwhat/chef,higanworks/chef,smurawski/chef,ChaosCloud/chef,sekrett/chef,juliandunn/chef,aaron-lane/chef,mwrock/chef,chef/opscode-pushy-client,natewalck/chef,Tensibai/chef,robmul/chef,natewalck/chef,webframp/chef,jonlives/omnibus-chef,mattray/chef,jonlives/chef,onlyhavecans/chef,oclaussen/chef,tas50/chef-dk,juliandunn/omnibus-chef,mattray/omnibus-chef