Fixed messaging model session timeout handling, subscriber re-connection and publisher retry logic
Changed load balancer endpoint timeout to 60 sec
Removed topic publisher retry from health checker ping event
Merge remote-tracking branch 'origin/4.0.0-incubating' into 4.0.0-incubating
excluding dhtmlHistory.js file from license verification
Reverted version to 4.0.0-SNAPSHOT to execute mvn release plugin
Updated version to 4.0.0-incubating in non maven release updated files
Merge remote-tracking branch 'origin/4.0.0-incubating' into 4.0.0-incubating