CLOUD-400 subscribe endpoint for clients
CLOUD-267 check if the requested subscription already exist
CLOUD-267 dummy notification sending mechanism
CLOUD-267 create notification for start/stop and set ambari ip as AVAILABLE event message
CLOUD-267 create notification from cloudbreakevents
CLOUD-267 create cluster creation failed event
CLOUD-282 add CloudbreakEvent new fields to Notification
CLOUD-267 validate url field in SubscribeRequest
CLOUD-273 uptime is counted from last start time
CLOUD-267 update log of event creation
CLOUD-267 add proper cause to stack status updates
CLOUD-267 delete unused websocket service
CLOUD-267 simplify SubscribeRequest url validator pattern
CLOUD-267 update stack status reason messages for available events
CLOUD-267 don't log the entire stacktrace when a delivery of notification failed
CLOUD-267 fix merge conflicts and checkstyle errors
CLOUD-267 fix typo in status message
CLOUD-267 update termination status messages
CLOUD-267 create and update events related to cluster state change
CLOUD-267 change the order of start related events