[Pharo-dev] [update 3.0] #30261

[Marcus Denker]

30261
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11138 Implementation of user directories is a mess
        https://pharo.fogbugz.com/f/cases/11138
        
11152 Monticello not creating proper changes when moving trait methods to/from 
class
        https://pharo.fogbugz.com/f/cases/11152

Diff information:
http://smalltalkhub.com/mc/Pharo/Pharo30/main/Traits-MarcusDenker.542.diff
http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Core-MarcusDenker.101.diff