Several Jagger can use one database in the same time.
Master delete information about his session only.
JFG-656
New executor for WorkloadWorker. There is session Id sets into context (KeyValue).
Cast doesn't use anymore
JFG-656
Comment has been added for WorkloadWorkerCommandExecution.
Small fixes in KeyValueStorage.
Update WorkloadWorkerCommandExecutor.java
Update HibernateKeyValueStorage.java
Update HibernateKeyValueStorage.java
Merge pull request #518 from marknovozhilov/JFG-656_new

JFG-656