Support passing plain arguments to simplenode.

`init:get_plain_arguments()` returns `["console", "more_args"]` when
started with `$APP_NAME console more_args`, but `["console"]` when
started with `$APP_NAME start more_args`. This patch makes `start`
behave like `console` in this respect.

priv/templates/simplenode.runner

@@ -62,7 +62,7 @@ case "$1" in
         HEART_COMMAND="$RUNNER_BASE_DIR/bin/$SCRIPT start"
         export HEART_COMMAND
         mkdir -p $PIPE_DIR
-        $ERTS_PATH/run_erl -daemon $PIPE_DIR $RUNNER_LOG_DIR "exec $RUNNER_BASE_DIR/bin/$SCRIPT console" 2>&1
+        $ERTS_PATH/run_erl -daemon $PIPE_DIR $RUNNER_LOG_DIR "exec $RUNNER_BASE_DIR/bin/$SCRIPT ${*/start/console}" 2>&1
         ;;
 
     stop)