Fix some issues with recruit lists changing unexpectedly

This only happened for [test] scenarios.

data/campaigns/tutorial/scenarios/02_Tutorial_part_2.cfg

@@ -6,7 +6,6 @@
     map_data="{campaigns/tutorial/maps/02_Tutorial_part_2.map}"
     turns=26
     experience_modifier=100
-    force_lock_settings=yes
 
     {DEFAULT_SCHEDULE}
 

src/game_config_manager.cpp

@@ -271,8 +271,6 @@ void game_config_manager::load_game_config(FORCE_RELOAD_CONFIG force_reload,
 				BOOST_FOREACH(config& scenario, game_config_.child_range("scenario"))
 				{
 					scenario["require_scenario"] = require_campaign;
-					// make force_lock_settings default to true for [scenario]
-					scenario["force_lock_settings"] = scenario["force_lock_settings"].to_bool(true);
 					BOOST_FOREACH(config& side, scenario.child_range("side"))
 					{
 						side["no_leader"] = side["no_leader"].to_bool(true);

src/game_initialization/connect_engine.cpp

@@ -97,7 +97,8 @@ connect_engine::connect_engine(saved_game& state,
 		return;
 	}
 
-	force_lock_settings_ = (!state.mp_settings().saved_game) && scenario()["force_lock_settings"].to_bool();
+	const bool is_mp = state_.classification().is_normal_mp_game();
+	force_lock_settings_ = (!state.mp_settings().saved_game) && scenario()["force_lock_settings"].to_bool(!is_mp);
 
 	// Original level sides.
 	config::child_itors sides = current_config()->child_range("side");

src/game_initialization/playcampaign.cpp

@@ -369,9 +369,10 @@ LEVEL_RESULT campaign_controller::play_game()
 				//note that although starting_pos is const it might be changed by gamestate.some_non_const_operation()  .
 				const config& starting_pos = state_.get_starting_pos();
 
+				const bool is_mp = state_.classification().is_normal_mp_game();
 				state_.mp_settings().num_turns = starting_pos["turns"].to_int(-1);
 				state_.mp_settings().saved_game = false;
-				state_.mp_settings().use_map_settings = starting_pos["force_lock_settings"].to_bool();
+				state_.mp_settings().use_map_settings = starting_pos["force_lock_settings"].to_bool(!is_mp);
 
 				ng::connect_engine_ptr connect_engine(new ng::connect_engine(state_, false, mp_info_));