Add protection from barclamps that don't have role directories.
Add protection from barclamps that don't have role directories.

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