Using ToLowerInvariant instead of ToLower (the game works for Turkish players now!)

http://www.moserware.com/2008/02/does-your-code-pass-turkey-test.html

Subsurface/Source/GameSession/CrewManager.cs

@@ -57,7 +57,7 @@ namespace Barotrauma
 
             foreach (XElement subElement in element.Elements())
             {
-                if (subElement.Name.ToString().ToLower()!="character") continue;
+                if (subElement.Name.ToString().ToLowerInvariant() != "character") continue;
 
                 characterInfos.Add(new CharacterInfo(subElement));
             }