- automatically create autoload section based on IWADINFO.

This has an important implication:
Previously the config was loaded before IWADINFO so in order to allow the config to access the data this had to be switched around.
This means that zdoom.pk3 will not be looked for in the global IWAD search paths anymore, but since it shouldn't be there to begin with it should be an acceptable compromise.

src/m_misc.h

@@ -28,6 +28,7 @@
 
 class FConfigFile;
 class FGameConfigFile;
+class FIWadManager;
 
 extern FGameConfigFile *GameConfig;
 
@@ -40,7 +41,7 @@ void M_FindResponseFile (void);
 //		Pass a NULL to get the original behavior.
 void M_ScreenShot (const char *filename);
 
-void M_LoadDefaults ();
+void M_LoadDefaults (FIWadManager *iwad_man);
 
 bool M_SaveDefaults (const char *filename);
 void M_SaveCustomKeys (FConfigFile *config, char *section, char *subsection, size_t sublen);