main.cpp: Separate surfaces for ship and info. Background surface removed.
ship.hpp: CShip class description updated.
moonlanding.hpp: Font path adapted to gentoo.

updateScreen has no more background surface.
showShipInfo: Destination surface argument changed to "dst"
moonlanding.cpp: updateScreen has no more background surface.

showShipInfo: Destination surface argument changed to "dst"
eagle.hpp: Added thrust status and fuel status.
eagle.cpp: Added thrust and fuel status.
moonlanding.hpp: Min ground height shorter. It was outside the drawable area sometimes.
Makfile: Added DEBUG.