install-chef-suse: Correctly stop crowbar on re-run
install-chef-suse: Correctly stop crowbar on re-run

On SLE12, there's no init.d script anymore for crowbar, but a systemd
service file. So we need to check if it's running instead of checking
for the existence of the init.d script.

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