Fixes

- Fix sign lines on claim not updating
- Fix plot tier removing for merged plots
- Fix stair rotation for id=24
- Fix interaction to have a lower priority than chestshop (why doesn't
chestshop use monitor priority?)

src/main/java/com/plotsquared/bukkit/listeners/PlayerEvents.java

@@ -625,7 +625,7 @@ public class PlayerEvents extends com.plotsquared.listener.PlotListener implemen
         format = format.replaceAll("%plot_id%", id.x + ";" + id.y).replaceAll("%sender%", "%s").replaceAll("%msg%", "%s");
         format = ChatColor.translateAlternateColorCodes('&', format);
         event.setFormat(format);
-    }
+    }
     
     @EventHandler(priority = EventPriority.LOWEST)
     public void BlockDestroy(final BlockBreakEvent event) {
@@ -1040,7 +1040,7 @@ public class PlayerEvents extends com.plotsquared.listener.PlotListener implemen
                 e.getBlocks().remove(i);
             }
         }
-    }
+    }
     
     @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
     public void onInteract(final PlayerInteractEvent event) {

src/main/java/com/plotsquared/bukkit/util/BukkitUtil.java

@@ -31,6 +31,7 @@ import com.intellectualcrafters.plot.util.BlockManager;
 import com.intellectualcrafters.plot.util.MathMan;
 import com.intellectualcrafters.plot.util.StringComparison;
 import com.intellectualcrafters.plot.util.StringMan;
+import com.intellectualcrafters.plot.util.TaskManager;
 import com.intellectualcrafters.plot.util.UUIDHandler;
 import com.plotsquared.bukkit.object.BukkitPlayer;
 
@@ -215,10 +216,15 @@ public class BukkitUtil extends BlockManager {
         block.setTypeIdAndData(Material.WALL_SIGN.getId(), (byte) 2, false);
         final BlockState blockstate = block.getState();
         if ((blockstate instanceof Sign)) {
-            for (int i = 0; i < lines.length; i++) {
-                ((Sign) blockstate).setLine(i, lines[i]);
-            }
-            ((Sign) blockstate).update(true);
+            TaskManager.runTaskLater(new Runnable() {
+                @Override
+                public void run() {
+                    for (int i = 0; i < lines.length; i++) {
+                        ((Sign) blockstate).setLine(i, lines[i]);
+                    }
+                    ((Sign) blockstate).update(true);
+                }
+            }, 1);
         }
     }
     

src/main/java/com/plotsquared/bukkit/util/SetBlockFast_1_8.java

@@ -194,7 +194,6 @@ public class SetBlockFast_1_8 extends BukkitSetBlockManager {
                 case 15:
                 case 20:
                 case 21:
-                case 22:
                 case 22:
                 case 25:
                 case 30: