More additions without testing.

Try to add color tiles to the map display...should have done this
in another branch without all the shortest path stuff...
And then next step would be to actually move on these tiles...
dumb dumb dumb
Add terrain to makefile and comment out sf/system
Actually comment out helper now.
Fix case of x and y in helper pathpt class
Compilation fixes and functionfying terrain
More compilation fixes, now in shortest path...