Bashify some less bashy syntax in install-chef.sh
Bashify some less bashy syntax in install-chef.sh

crowbar/crowbar,aplanas/crowbar,crowbar/crowbar,nkrinner/crowbar,dirkmueller/crowbar,vwallfahrer/crowbar,rhafer/crowbar,tserong/crowbar,aspiers/crowbar,mmnelemane/crowbar,MaximilianMeister/crowbar,aspiers/crowbar,SUSE-Cloud/crowbar,tserong/crowbar,rhafer/crowbar,SUSE-Cloud/crowbar,mmnelemane/crowbar,toabctl/crowbar,rsalevsky/crowbar,nkrinner/crowbar,dirkmueller/crowbar,rsalevsky/crowbar,vwallfahrer/crowbar,toabctl/crowbar,aplanas/crowbar,rhafer/crowbar,MaximilianMeister/crowbar