[update 3.0] #30015

30015
-----

6371 make Growl position configurable by preferences
        https://pharo.fogbugz.com/f/cases/6371
       
6881 FileSystemStore permissions: should not return false
        https://pharo.fogbugz.com/f/cases/6881
       
10061 add String>>#urldecoded and String>>#urlencoded
        https://pharo.fogbugz.com/f/cases/10061
       
10131 Remove unsent deprecated method
        https://pharo.fogbugz.com/f/cases/10131
       
10135 Remove old HierarchyBrowser
        https://pharo.fogbugz.com/f/cases/10135/


Diff information:
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Zinc-Character-Encoding-Tests-MarcusDenker.6
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Zinc-Character-Encoding-Core-MarcusDenker.8
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Tools-MarcusDenker.1070
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/System-Support-MarcusDenker.799
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Settings-Polymorph-MarcusDenker.49
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Refactoring-Core-MarcusDenker.172
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Polymorph-Widgets-MarcusDenker.785
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/NautilusCommon-MarcusDenker.122
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Nautilus-MarcusDenker.438
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Morphic-MarcusDenker.1386
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Metacello-ToolBox-MarcusDenker.137
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Metacello-Core-MarcusDenker.496
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Kernel-MarcusDenker.1349
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Growl-MarcusDenker.15
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Gofer-Core-MarcusDenker.193
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/FileSystem-Zip-MarcusDenker.9
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/FileSystem-Memory-MarcusDenker.23
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/FileSystem-Disk-MarcusDenker.51
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/FileSystem-Core-MarcusDenker.68
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Compatibility-MarcusDenker.14
http://smalltalkhub.com/#!/~Pharo/Pharo30/diff/Collections-Strings-MarcusDenker.247