Medium: Admin: crm_mon - Misc improvements from Satomi Taniguchi
- modified to print an error message and exit when it failed to open the output html file.
- remove node names from each resource status line when -nh options are specified.
- count OFFLINE (standby) node as OFFLINE node, not as standby node, in simple-status mode.
Mercurial revision: 6d605416d13698df67144d62d753f34105d66a75