fullscreendesktop
use SDL_WINDOW_ALLOW_HIGHDPI
updated to SDL hg head:

commit c87a4003f44af72e5e8e7c747974535ec7bd230e
Author: Gabriel Jacobo <gabomdq@gmail.com>
Date:   Mon Jun 16 09:54:33 2014 -0300

    Assorted fixes for NaCl. Hat tip to Sylvain Becker
rebuilt linux, windows libs
make upx optional
osx libs