Move globals from main.cpp to more sane locations

Move debug streams to log.cpp|h

Move GUI-related globals to clientlauncher

Move g_settings and g_settings_path to settings.cpp|h

Move g_menuclouds to clouds.cpp|h

Move g_profiler to profiler.cpp|h

src/script/common/c_internal.cpp

@@ -20,7 +20,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "common/c_internal.h"
 #include "debug.h"
 #include "log.h"
-#include "main.h"
 #include "settings.h"
 
 std::string script_get_backtrace(lua_State *L)