Data : tweaked lighting on test map.
Data : created a place-holder cursor image: 'cursor_arrow.tga'
Menu :
1. draw a mouse cursor (since there is no way to force Darkplaces to show
   the operating system's normal cursor)

2. partial work on drawing the main menu, and ability to select an entry
   with the mouse....
Menu : highlight a text button when mouse is over it, and accept a button
press to activate the corresponding command (e.g. "quit").