Fixed Autoloader 15 Redstone under Block

BauSystem_15/src/de/steamwar/bausystem/world/AutoLoader_15.java

@@ -36,7 +36,6 @@ class AutoLoader_15 {
 
     static void updateBlock(Location location) {
         Location[] locations = new Location[] {
-                location.clone(),
                 location.clone().add(1, 0,0),
                 location.clone().add(-1, 0,0),
                 location.clone().add(0, 1,0),
@@ -45,7 +44,7 @@ class AutoLoader_15 {
                 location.clone().add(0, 0,-1)
         };
         for (Location value : locations) {
-            if (value.getBlock().getType().toString().contains("SIGN")) continue;
+            if (!value.getBlock().getType().isSolid()) continue;
             BlockData data = value.getBlock().getBlockData();
             value.getBlock().setType(Material.BARRIER, true);
             value.getBlock().setBlockData(data, true);