Run rake tasks as crowbar user
Run rake tasks as crowbar user

(cherry picked from commit 560770c507fe89eba6c471d340923a85fbdaa8b9)

toabctl/crowbar,toabctl/crowbar,aplanas/crowbar,rsalevsky/crowbar,SUSE-Cloud/crowbar,SUSE-Cloud/crowbar,dirkmueller/crowbar,dirkmueller/crowbar,aplanas/crowbar,crowbar/crowbar,crowbar/crowbar,rsalevsky/crowbar