Update from upstream SpigotMC

Fix timings SpigotMC/Spigot@7d79f6bf5e
Fix the particle api using the wrong Material class SpigotMC/Spigot@f5a1e7a96f

CraftBukkit-Patches/0055-Watchdog-Thread.patch

@@ -1,6 +1,6 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: md_5 <md_5@live.com.au>
-Date: Sat, 23 Feb 2013 12:33:20 +1100
+Date: Tue, 5 Aug 2014 17:20:19 +0100
 Subject: [PATCH] Watchdog Thread.
 
 
@@ -17,9 +17,9 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
                  this.isStopped = true;
              } catch (Throwable throwable1) {
 @@ -0,0 +0,0 @@ public abstract class MinecraftServer implements ICommandListener, Runnable, IMo
-         SpigotTimings.tickablesTimer.stopTiming(); // Spigot
  
          this.methodProfiler.b();
+         this.methodProfiler.b();
 +        org.spigotmc.WatchdogThread.tick(); // Spigot
          SpigotTimings.serverTickTimer.stopTiming(); // Spigot
          org.spigotmc.CustomTimingsHandler.tick(); // Spigot