USR_ADD

Purpose:        Adds new user

Input Syntax:   USR_ADD <name> [<template>]

Input Params:   name     CHAR(10)  = new username
                template CHAR(10)  = user to copy from

Output Syntax:  [+|-]<message>

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

Right required: R_USER_ADD

Implementation: f4adp_user.c / f4adp_usr_add()
