Fix description for read-resource operation

bin/jboss-admin.sh -c command=":read-operation-description(name="read-resource")"
...
            "include-runtime" => {
                "type" => BOOLEAN,
                "description" => "Whether to include runtime attributes (i.e. those whose value does not come from the persistent configuration) in the response. If absent, false is the default. Ignored if the 'recursive' parameter is set to true; i.e. runtime attributes can only be read in non-recursive queries.",
...