Added LogDAO interface + LogDAOBean
Added LogDAOStub and used it to create a new entry in the Logs DB table
when a new log message is received.
Fixed named queries, added XMLRootElement annotation to support
web-services later on.
Changed log table name to "Logs"
Added @Id annotation to Log id attribute
Implemented LogDAO interface methods using EntityManager object.
LogSender interface class
Added implementation of onMessage() method (send message to a queue that
is monitored by LogMDB)
BugFix: message is of type ObjectMessage
BugFix: fixed extraction and handling of message object
Changed log messages formatting
Merge branch 'master' of https://github.com/shlomitArgov/MBank3.0