TYRUS-214 - Expose monitoring API/statistics - monitoring of message statistics has been added
*echo* samples consistency, simplelife readme/code consistency
TYRUS-214 - Expose monitoring API/statistics - monitoring documentation created
		+ configuration of monitoring level changed to allow configuring session-level monitoring in Glassfish
TYRUS-302: introduced methods with type parameters to be able to register lambda based message handlers.

@see TyrusSession#addMessageHandler(Class<T>, MessageHandler.Whole<T>)
@see TyrusSession#addMessageHandler(Class<T>, MessageHandler.Partial<T>)
[maven-release-plugin] prepare release 1.6
[maven-release-plugin] prepare for next development iteration
1.6 release
re-adding accidentally removed file
TYRUS-319 - Bug call EJB from WebSocket - a test case testing the situation described in the bug added
TYRUS-322: Allows usage of missing CloseReason codes (1012, 1013)