Log Message:
devel/ruby-stomp: update to 1.4.9

Update ruby-stomp to 1.4.9.

## 1.4.9 20191116

* More debugging messages in netio.rb.
* Test workaround for Artemis-2289.
* New put and get examples.
* Fix issue #160.
* Address issue #155.
* Suppress SSL stacktrace to stdout.
* Example logger enhancements.
* Optional STOMP frame in examples.