glswapbuffer consistency and create the window in the center (still, it doesn't work past sdl r5296)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>alternate</key>
<false/>
<key>music</key>
<true/>
<key>password</key>
<string></string>
<key>sound</key>
<true/>
<key>username</key>
<string></string>
<key>menu</key>
<false/>
<key>password_length</key>
<integer>0</integer>
<key>enhanced</key>
<true/>
<key>multitasking</key>
<true/>
</dict>
</plist>