ACCESS: Fix definition of river data structures
ACCESS: Remove misnamed duplicate _screenVirtX field
ACCESS: Fix the formatting of a bunch of else statements
ACCESS: Fix display of rocks in the river arcade scene
ACCESS: Move river death flags from engine to River class
ACCESS: Debounce any mouse press when showing death screen
ACCESS: Fix the display in the floppy and demo version by removing the inventory pre-rendering
ACCESS: Janitorial
ACCESS: Further cleanup of river obstacles checks
ACCESS: Add some data for the character info used by the demo
ACCESS: Fix cmdDead for the demo
ACCESS: Fix the inventory behavior in the floppy and demo version
ACCESS: Clean up keyboard control
ACCESS: Implement player keyboard movement
ACCESS: Correct down-right player movement
ACCESS: Cleaned up event handling for scene establish text display
ACCESS: Simply river savegame fields
ACCESS: Fix the end of the demo
ACCESS: Add a cheat mode which currently skips the guard in chapter 8
ACCESS: Add a debug channel for the sound & music handling