Alt+F4 support for sdl version (old sdl version doesn't support that directly). Also center the window when start up.
Move all the which-direction queries into a single function.
Replace pl_choose_vehicle() with generic choose_adjacent().
sdl version now reads fontsize from FONTDATA instead of using fontheight directly. The default value is fontheight-1, if it is not provided.
Code/comment clean up.
Try to fix cross initialization issue which certain compilers complain about.
Merge branch 'master' of github.com:CleverRaven/Cataclysm-DDA into sdl-window-fix
Wrap contents of case statements in braces.