Restructure PaperSpigot as a new set of modules

Allows us much greater control over the Spigot portion of the code
and makes us more "proper"
Credit to @Dmck2b for originally passing the idea along a while back

CraftBukkit-Patches/0099-Cap-Channel-Registrations.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: md_5 <git@md-5.net>
+Date: Wed, 12 Feb 2014 20:02:58 +1100
+Subject: [PATCH] Cap Channel Registrations
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+@@ -0,0 +0,0 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
+     }
+ 
+     public void addChannel(String channel) {
++        com.google.common.base.Preconditions.checkState( channels.size() < 128, "Too many channels registered" ); // Spigot
+         if (channels.add(channel)) {
+             server.getPluginManager().callEvent(new PlayerRegisterChannelEvent(this, channel));
+         }
+--