Add pre and post hook support for state transitions in control.sh
Add pre and post hook support for state transitions in control.sh

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