Log Message:
Update ruby-stomp to 1.4.4.

## 1.4.4 20170611

* Merge fix for issue 141.
* Fix broken MatReconnectAttempts
* Attempt to detect mismatched SSL port and params.
* Issue 139, add ssl checks to receive timeout logic.
* Eliminate assert_nothing_raised from tests.
* Add Artemis suport to standard test bed.
* Run JRuby tests more easily.