Minor adjusts
[SpringUpgrade] Version 3.2.3 with aspectJ 1.7.1
Merge branch 'feature/SpringUpgrade' into develop
[graceShutdown] Create module for shutdown events and listener.
Implemented event and listener for shutdown.
[GraceShutdown] Shutdown listener refactoring to allow dynamic configuration.
  Implemented Shutdown method in each component instead coding a general procedure.
[GraceShutdown] Shutdown signals activation included in standalone app
[GraceShutdown]  JMX Shutdown interface Added