[update 1.3] #13004

13004
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Issue 3558: Delete empty package ScriptLoader12.
Issue 3552: Delete Package DeleteMe
Issue 3550: MenuItemMorph>>mouseDown: has unnecessary check
Issue 3468: Perform and context frame size primitive tests
Issue 3441: Tests for Polymorph
Issue 3378: Process remove depende to UIManager
Issue 3557: [Feature]: Setting for easy select i.e. selecting in the world by dragging


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Marcus Denker  -- http://www.marcusdenker.de
INRIA Lille -- Nord Europe. Team RMoD.