Updating changelog

CHANGELOG.rst

@@ -2,6 +2,12 @@
 Changelog
 =========
 
+Forthcoming
+-----------
+* Adds fix for shutting down DefaultNodeMainExecutor ListenerGroup to prevent leak in android when activities are destroyed.
+* Added ability to remove listener from ListenerGroup to fix android_core issue `#254 <https://github.com/rosjava/rosjava_core/issues/254>`_.
+* Contributors: Dan Ambrosio, Julian Cerruti
+
 0.2.1 (2015-02-25)
 ------------------
 * allow setting of the talker topic name in pubsub tutorial.