[Pharo-project] [update 2.0] #20237

[Esteban Lorenzano]

20237
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Issue 6451:     New version of Spec
        http://code.google.com/p/pharo/issues/detail?id=6451
        
Issue 5661:     Clean morphic EventHandler
        http://code.google.com/p/pharo/issues/detail?id=5661
        
Issue 6454:     UndeclaredVariableWarning does not show location
        http://code.google.com/p/pharo/issues/detail?id=6454
        
 Issue 6455:    New version of CI
        http://code.google.com/p/pharo/issues/detail?id=6455

Issue 6471:     Remove RMockSystemAnnouncer
        http://code.google.com/p/pharo/issues/detail?id=6471
        
 Issue 6473:    update comment in vm parameterAt:
        http://code.google.com/p/pharo/issues/detail?id=6473
        
Issue 6474:     Improve senders
        http://code.google.com/p/pharo/issues/detail?id=6474