Update from upstream SpigotMC

Included Commits:
Update IRC channel to irc.spi.gt SpigotMC/Spigot@a791c555e7
Remove inv close patch for now SpigotMC/Spigot@a3abb3bea9
Limit TNT Detonations per tick SpigotMC/Spigot@8f9c601aed
Use sane default config values SpigotMC/Spigot@1cbbb9b62e

These commits were not included as they were quickly reverted:
Only close if we are actually placing a block SpigotMC/Spigot@ea0b1b2d67
Revert for the above SpigotMC/Spigot@28faa0bd20
Add isUnbreakable and setUnbreakable to ItemMeta. Also fixes a bug wh... SpigotMC/Spigot@32e6d74a5f
Revert for the above SpigotMC/Spigot@4b5a26b11c

CraftBukkit-Patches/0005-Spigot-Configuration.patch

@@ -131,8 +131,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            + "If you need help with the configuration or have any questions related to Spigot,\n"
 +            + "join us at the IRC or drop by our forums and leave a post.\n"
 +            + "\n"
-+            + "IRC: #spigot @ irc.esper.net ( http://webchat.esper.net/?channel=spigot )\n"
-+            + "Forums: http://www.spigotmc.org/forum/\n";
++            + "IRC: #spigot @ irc.spi.gt ( http://www.spigotmc.org/pages/irc/ )\n"
++            + "Forums: http://www.spigotmc.org/\n";
 +    /*========================================================================*/
 +    static YamlConfiguration config;
 +    static int version;

CraftBukkit-Patches/0170-Force-Close-Inventory-On-Move.patch

@@ -1,50 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: md_5 <git@md-5.net>
-Date: Sun, 10 Aug 2014 11:01:02 +1000
-Subject: [PATCH] Force Close Inventory On Move
-
-
-diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
-index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
---- a/src/main/java/net/minecraft/server/PlayerConnection.java
-+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
-@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketPlayInListener {
- 
-     public void a(PacketPlayInBlockDig packetplayinblockdig) {
-         if (this.player.dead) return; // CraftBukkit
-+        // Spigot start
-+        if ( player.activeContainer != player.defaultContainer )
-+        {
-+            getPlayer().closeInventory();
-+        }
-+        // Spigot end
-         WorldServer worldserver = this.minecraftServer.getWorldServer(this.player.dimension);
- 
-         this.player.v();
-@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketPlayInListener {
-         // a notch bug where the item doesn't update correctly.
-         boolean always = false;
-         // CraftBukkit end
-+        // Spigot start
-+        if ( player.activeContainer != player.defaultContainer )
-+        {
-+            getPlayer().closeInventory();
-+        }
-+        // Spigot end
- 
-         ItemStack itemstack = this.player.inventory.getItemInHand();
-         boolean flag = false;
-@@ -0,0 +0,0 @@ public class PlayerConnection implements PacketPlayInListener {
-             return;
-         }
-         // Spigot End
-+        // Spigot start
-+        if ( player.activeContainer != player.defaultContainer )
-+        {
-+            getPlayer().closeInventory();
-+        }
-+        // Spigot end
- 
-         this.player.v();
-         if (entity != null) {
---

CraftBukkit-Patches/0175-Limit-TNT-Detonations-per-tick.patch

@@ -0,0 +1,53 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Wed, 20 Aug 2014 18:12:32 -0400
+Subject: [PATCH] Limit TNT Detonations per tick
+
+This gives a per-world control on how much TNT will be processed per-tick,
+preventing a massive TNT detonation from lagging out the server.
+
+diff --git a/src/main/java/net/minecraft/server/EntityTNTPrimed.java b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/EntityTNTPrimed.java
++++ b/src/main/java/net/minecraft/server/EntityTNTPrimed.java
+@@ -0,0 +0,0 @@ public class EntityTNTPrimed extends Entity {
+     }
+ 
+     public void h() {
++        if (world.spigotConfig.currentPrimedTnt++ > world.spigotConfig.maxTntTicksPerTick) { return; } // Spigot
+         this.lastX = this.locX;
+         this.lastY = this.locY;
+         this.lastZ = this.locZ;
+diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/net/minecraft/server/WorldServer.java
++++ b/src/main/java/net/minecraft/server/WorldServer.java
+@@ -0,0 +0,0 @@ public class WorldServer extends World {
+         }
+ 
+         super.tickEntities();
++        spigotConfig.currentPrimedTnt = 0; // Spigot
+     }
+ 
+     public void i() {
+diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
++++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
+@@ -0,0 +0,0 @@ public class SpigotWorldConfig
+         combatExhaustion = (float) getDouble( "hunger.combat-exhaustion", 0.3 );
+         regenExhaustion = (float) getDouble( "hunger.regen-exhaustion", 3 );
+     }
++
++    public int currentPrimedTnt = 0;
++    public int maxTntTicksPerTick;
++    private void maxTntPerTick() {
++        if ( SpigotConfig.version < 7 )
++        {
++            set( "max-tnt-per-tick", 100 );
++        }
++        maxTntTicksPerTick = getInt( "max-tnt-per-tick", 100 );
++        log( "Max TNT Explosions: " + maxTntTicksPerTick );
++    }
+ }
+--