WA_ADD

Purpose:        Adds a watcher (f4a sends user activity info and errors to watcher)

Input Syntax:   WA_ADD <ipaddr> <port>

Input Params:   ipaddr CHAR(20) = ip address
                port   INT      = udp port

Output Syntax:  [+|-]<message>

Output Params:  message CHAR(128) = human-readable message

Right required: R_MONITOR

Implementation: f4adp_admin.c / f4adp_watch_add()
