rnd-20040503-1-src

rnd-20040503-1-src
* fixed bug with creating walkable custom element under player (again)
* fixed bug with not copying explosion type when copying CEs in editor
* fixed graphical bug when drawing player in setup menu (input devices)
* fixed graphical bug when the player is pushing an accessible element
* fixed bug with classic switchable elements triggering CE changes
* fixed bug with entering/leaving walkable element in RelocatePlayer()
* added special behaviour of Supaplex ports with gravity enabled
* fixed bug with broken tubes after placing/exploding dynamite in them
* fixed bug with exploding dynamite under player due to other explosion