Prevent NPE
BroadcasterConfig javadoc fix - it should reference to ExecutorsFactory methods
Improve logging
Merge pull request #1641 from dmitry-treskunov/fix-BroadcasterConfig-doc

BroadcasterConfig javadoc fix - it should reference to ExecutorsFactory ...
Refactor, no functional change
Check for null
Bump Jetty
Return immediately if that's the close message
Oup, don't update Jetty fro backward compat
Fixes #1631
Fixes #1643
Do not invoke websocket.close if the websocket is closed by the container
Proper logic
Fixes #1645
Fixes #1646
Improve logging
Fixes #1644
[maven-release-plugin] prepare release atmosphere-project-2.2.0-RC3
[maven-release-plugin] prepare for next development iteration