[Pharo-project] [update 3.0] #30032

[Marcus Denker]

30032
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10237 MCHttpRepository>>#location: should instantiate specialized repositories 
if possible
        https://pharo.fogbugz.com/f/cases/10237/
        
7627 FileReference>>deleteAll follows symlinks
        https://pharo.fogbugz.com/f/cases/7627/
        
Diff information:
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Monticello-MarcusDenker.781
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/MonticelloGUI-MarcusDenker.224
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/FileSystem-Core-MarcusDenker.73
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/FileSystem-Tests-Core-MarcusDenker.41