[update 1.3] #13121

13121
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Issue 3900: FileDirectory>>withAllSubdirectoriesCollect:
Issue 3911: Change updater to allow updating a release image
Issue 3915: Make all requests to open comparison morph (DiffMorph) go thru UIManager
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Marcus Denker  -- http://www.marcusdenker.de
INRIA Lille -- Nord Europe. Team RMoD.