Fixed lightning-setting in config-file actually doing something.

src/com/garbagemule/MobArena/Arena.java

@@ -1081,6 +1081,11 @@ public class Arena
         return pvp;
     }
     
+    public boolean isLightningEnabled()
+    {
+        return lightning;
+    }
+    
     public boolean isBossWave()
     {
         return bossWave != null;

src/com/garbagemule/MobArena/waves/SpecialWave.java

@@ -38,6 +38,7 @@ public class SpecialWave extends NormalWave
         List<Location> validSpawnpoints = WaveUtils.getValidSpawnpoints(getArena(), getArena().getLivingPlayers());
         
         // Strike some lightning!
+        if (getArena().isLightningEnabled())
             for (Location loc : validSpawnpoints)
                 getWorld().strikeLightningEffect(loc);