Resolves #164 (https://github.com/spring-projects/spring-kafka/issues/164)
Also fix message conversion for `send(Message<?> m)`.
(cherry picked from commit 632559a)
Resolves #164 (https://github.com/spring-projects/spring-kafka/issues/164)
Also fix message conversion for `send(Message<?> m)`.
(cherry picked from commit 632559a)