Disabled Host Network Game in mac

Wrote something to release_notes; Someone should fix that to better
form, please

RELEASE_NOTES

@@ -19,6 +19,12 @@ to test this feature and report bugs when found.
 Users of Wesnoth 1.5.0 are encouraged to upgrade since Wesnoth 1.5.0 won't be
 compatible with recent changes to the addon server.
 
+"Host Network Game" feature in multiplayer menu requires "wesnothd" server to 
+be compiled. Wesnothd is found from same directory as wesnoth was launched with
+default configuration. User can change wesnothd path from userdata/preferences
+using wesnothd_name="/path/to/wesnothd". Windows version is
+wesnothd_name="C:\path\to\wesnothd.exe"
+
 Now content authors can specify the type of their addons. See the documentation
 updates at http://www.wesnoth.org/wiki/PblWML for details.
 
@@ -31,4 +37,5 @@ The confusion caused by name and wiki entry regarding [attacks] special has been
 sorted out. What was [attacks] up till now was now logicaly renamed [swarm] and
 a completely new [attacks] has been created behaving alike to [damage] and 
 [chance_to_hit]. If an attack uses [swarm] any [attacks] declared will be
-ignored.
+ignored.
+

players_changelog

@@ -48,6 +48,7 @@ Version 1.5.0+svn:
      a command to this hotkey.
    * Add a command "alias <name>[=<command>]". To set or show shorter alias to
      a command.
+   * Added back "Host Network Game" feature to multipalyer menu.
 
  * Terrains
    * Removed duplicate terrain type in unit help

src/game.cpp

@@ -1715,9 +1715,11 @@ bool game_controller::play_multiplayer()
 			host_or_join.push_back(pre + "serverother.png"
 					+ sep1 + _("Connect to Server")
 					+ sep2 + _("Join a different server"));
+#ifndef __APPLE__
 			host_or_join.push_back(pre + "hostgame.png"
 					+ sep1 + _("Host Networked Game")
 					+ sep2 + _("Host a game using dedicated server 'wesnothd'"));
+#endif
 			host_or_join.push_back(pre + "hotseat.png"
 					+ sep1 + _("Local Game")
 					+ sep2 + _("Play a multiplayer game with the AI or humans sharing the same machine"));

src/game_config.cpp

@@ -50,7 +50,7 @@ namespace game_config
 #else
 	const std::string revision = VERSION;
 #endif
-	std::string wesnothd_name = "wesnothd";
+	std::string wesnothd_name;
 	bool debug = false, editor = false, ignore_replay_errors = false, mp_debug = false, exit_at_end = false, no_delay = false, disable_autosave = false;
 
 	std::string game_icon = "wesnoth-icon.png", game_title, game_logo, title_music, lobby_music;