Hotfix MWTeam NoSuchElementException

src/de/steamwar/misslewars/MWTeam.java

@@ -72,6 +72,9 @@ public class MWTeam {
     }
 
     public void givePlayerItem(ItemStack item) {
+    	if (players.isEmpty()) {
+    		return;
+		}
         Player p = players.removeFirst();
         players.addLast(p);