backport to play 2.2.3
Use hazelcast 3.2.3
Improve logging

- use a namespace for the logger
- stopping  on Stop is not an error
Merge pull request #6 from jeantil/play2.2.x

Improve logging
Merge pull request #7 from jeantil/upgradehz

Use hazelcast 3.2.3
upgrade to "3.2.3-play2.2" and publishTo bin tray
Merge branch 'play2.2.x' into play2.3.x

Upgrade to multi-module build
Upgrade to Hazelcast 3.2.3
Upgrade to play 2.3.4

Conflicts:
	README.md
	sample/sample-playHazelcast-scala/build.sbt