install-chef-suse: Do not call rake as root
install-chef-suse: Do not call rake as root

When we do this, it creates /var/log/crowbar/production.log owned by
root, which makes the rails app unstartable later on because it can't
write to the log.

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