Fix some SP bugs (#712)

Fixed some trivial SP bugs:

    Main UI garage button now redirects to the faction garage rather than blackholing.
    SP difficulty setup code now waits for its server init dependencies.
    SP player now gets the medic and engineer traits, as befor

A3-Antistasi/functions/Dialogs/fn_createDialog_setParams.sqf

@@ -10,22 +10,23 @@ if (!isNil "loadLastSave" && {!loadLastSave}) then {
 	hint "Choose a difficulty level";
 	waitUntil {!dialog};
 
-	if (!isNil "skillMult" && {skillMult != 2}) then
-		{
-		//Easy Difficulty Tweaks
+	[] spawn {
+		waitUntil {(!isNil "serverInitDone")};			// need following params to be initialized
+		if (isNil "skillMult") exitWith {};
 		if (skillMult == 1) then
 			{
+			//Easy Difficulty Tweaks
 			server setVariable ["hr",25,true];
 			server setVariable ["resourcesFIA",5000,true];
 			vehInGarage = [vehSDKTruck,vehSDKTruck,SDKMortar,SDKMGStatic,staticAAteamPlayer];
 			minWeaps = 15;
 			if !(hasTFAR) then
 				{
-				"ItemRadio" call A3A_fnc_unlockEquipment;
+				["ItemRadio"] call A3A_fnc_unlockEquipment;
 				haveRadio = true;
 				};
-			}
-		else
+			};
+		if (skillMult == 3) then 
 			{
 			//Hard Difficulty Tweaks
 			server setVariable ["hr",0,true];

A3-Antistasi/functions/Garage/fn_garageVehicle.sqf

@@ -2,7 +2,7 @@
 
 private ["_pool","_veh","_typeVehX"];
 _pool = false;
-if (_this select 0) then {_pool = true};
+if (_this select 0 || !isMultiplayer) then {_pool = true};
 
 if (side player != teamPlayer) exitWith {hint "Only rebels can add vehicles to the garage."};
 if (!([player] call A3A_fnc_isMember)) exitWith {hint "Only server members have the garage feature enabled"};

A3-Antistasi/functions/init/fn_initClient.sqf

@@ -81,6 +81,8 @@ else {
 	player setIdentity "protagonista";
 	player setUnitRank "COLONEL";
 	player hcSetGroup [group player];
+	player setUnitTrait ["medic", true];
+	player setUnitTrait ["engineer", true];
 	waitUntil {/*(scriptdone _introshot) and */(!isNil "serverInitDone")};
 };