[Pharo-dev] [update 3.0] #30317

[Marcus Denker]

30317
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11269 isNil ifTrue: to ifNil: part 9
        https://pharo.fogbugz.com/f/cases/11269
        
11277 isNil ifTrue: to: ifNil: Morphic Kernel
        https://pharo.fogbugz.com/f/cases/11277
        
11272 isNil ifTrue: to ifNil: part 12 (last before morphic)
        https://pharo.fogbugz.com/f/cases/resolve/11272

Diff information:
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Traits-MarcusDenker.552.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Hashing-MarcusDenker.28.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Slot-MarcusDenker.366.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Shout-MarcusDenker.188.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Polymorph-Widgets-MarcusDenker.874.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/NewClassOrganizer-MarcusDenker.43.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Network-Url-MarcusDenker.89.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/NautilusCommon-MarcusDenker.158.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Morphic-Base-MarcusDenker.60.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/HudsonBuildTools20-MarcusDenker.39.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Graphics-Display 
Objects-MarcusDenker.111.diff