Execute Action at monitoring server failure.(deal with Issu 251)

Add a mechanism to do the action, when detected of the monitoring server failure (e.g. doesn't reply).

When Arm thread initializ, register trriger and monitoring server info to chashDB(sqlite).
when a failure was detected, Update the trigger and Register the event, and to perform the action(if registration).
TriggerID / Message Comment is a provisional value.

please confirm and comment.
Yes...

shouldSkipByLog() is function of check the log, however my code was do not it.unnatural.
This check should be done before calling shouldSkipByLog().

DISCONNECT_SERVER_EVENTID_TYPE represents ID, so DISCONNECT_SERVER_EVENTID_TYPE is not appropriate.