(svn r173) -Network: [1023231] Debug Code + ErrorBoxes + Load Game/Scenario. Added some more desync debug code and replaced some of the error() calls with some better error boxes. Hopefully find desyncs easier (sign_de)

-GUI: Change some network GUI stuff (Darkvater)

variables.h

@@ -282,6 +282,7 @@ typedef struct {
 
 // Used when switching from the intro menu.
 VARDEF byte _switch_mode;
+VARDEF StringID _switch_mode_errorstr;
 VARDEF bool _exit_game;
 VARDEF SmallFiosItem _file_to_saveload;
 VARDEF byte _make_screenshot;