Upgrade release plugin version.
[maven-release-plugin] prepare release mqtt-client-project-1.10
[maven-release-plugin] prepare for next development iteration
modify SSLContext initialization
Update SnsSubscriber and SnsPublisher
prepare for staing test
prepare for staing test
Merge branch 'master' of https://github.com/fusesource/mqtt-client
separate out SnS sub/pub implementation