Comments for host/services are sent to all schedulers by the arbiter

[mohierf]

The comments for and host or service are sent to all active schedulers by the arbiter. Resulting in an events log such as:

==> /var/log/alignak/alignak-events.log <==
[2019-01-18 10:58:05] INFO: EXTERNAL COMMAND: [1547805484] DEL_SVC_COMMENT;3708011e-a671-420b-90e9-fbaf94f70840
[2019-01-18 10:58:05] WARNING: DEL_SVC_COMMENT: comment id: 3708011e-a671-420b-90e9-fbaf94f70840 does not exist and cannot be deleted.
[2019-01-18 10:58:05] INFO: EXTERNAL COMMAND: [1547805484] DEL_SVC_COMMENT;3708011e-a671-420b-90e9-fbaf94f70840
[2019-01-18 10:58:05] INFO: EXTERNAL COMMAND: [1547805484] DEL_SVC_COMMENT;3708011e-a671-420b-90e9-fbaf94f70840
[2019-01-18 10:58:05] WARNING: DEL_SVC_COMMENT: comment id: 3708011e-a671-420b-90e9-fbaf94f70840 does not exist and cannot be deleted.

The arbiter should send only to the concerned scheduler ...