Changes to possession; the new mouse coordinates are retrevied from the swf file

GFxHUD: mouse coordinates are now retrieved from the swf movie
MouseInter..: redundant for now
PR0HUD: Redundant
PR0HUDGfx: relies on the new inputs to calculate the projection target.
PR0PlayerController: changed the HUD class used.
Merge branch 'master' of https://github.com/bwgenio/Classes.git