Avoid simultaneous instances of elasticsearch

Fixes ZEN-13808
1) Check return code from isvcs runs concurrently with healthcheck
2) Add node name to ES commands
3) Add cluster names to ES commands
4) ES cluster name stored per install
Merge pull request #920 from control-center/feature/ZEN-13808.2

Avoid simultaneous instances of elasticsearch
Merge branch 'v5.0.0b2' into develop