changelog update and disable motd by default

doc/changelog.txt

@@ -16,6 +16,7 @@ For minor stuff, refer to the commit log of the repository.
 - Hotbar is a bit smaller
 - Health is now enabled by default; You can now eat cooked rats to heal yourself.
 - Finally added sword textures, altough sword is still of no use
+- Creative mode now preserves normal mode inventory
 
 2011-07-04:
 - Many small fixes

src/defaultsettings.cpp

@@ -77,7 +77,7 @@ void set_default_settings()
 	g_settings.setDefault("screenshot_path", ".");
 
 	// Server stuff
-	g_settings.setDefault("motd", "<Message of the day (motd) not set>");
+	g_settings.setDefault("motd", "");
 	g_settings.setDefault("enable_experimental", "false");
 	g_settings.setDefault("creative_mode", "false");
 	g_settings.setDefault("enable_damage", "true");