Update provisioner to make sure prereqs are installed.
Update provisioner to make sure prereqs are installed.

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