Use nodename instead of hostname
minimize amount of crm_attribute and crm_node calls
Merge pull request #7 from fmherschel/redhat

Patches to make resource agents use nodename instead of hostname and minimise use of crm_* commands
Patch for make SAPHana* stable for non SR HANA instances (mode normal) and also for uncomplete output of hdbnsutil
Merge branch 'suse' of github.com:fmherschel/SAPHanaSR into suse