Add MCUtils helper

This will be used by my next commit. But trying to get the build going
since CI blew up

Spigot-Server-Patches/0102-Fix-SkullCache-case-bug.patch

@@ -0,0 +1,22 @@
+From 25f458b42dc059d51743f85b6340048c777b7552 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Tue, 5 Jan 2016 21:48:24 -0500
+Subject: [PATCH] Fix SkullCache case bug
+
+
+diff --git a/src/main/java/net/minecraft/server/TileEntitySkull.java b/src/main/java/net/minecraft/server/TileEntitySkull.java
+index 7eecc6c..3c20ef3 100644
+--- a/src/main/java/net/minecraft/server/TileEntitySkull.java
++++ b/src/main/java/net/minecraft/server/TileEntitySkull.java
+@@ -186,7 +186,7 @@ public class TileEntitySkull extends TileEntity implements ITickable {
+             } else if (MinecraftServer.getServer() == null) {
+                 callback.apply(gameprofile);
+             } else {
+-                GameProfile profile = skinCache.getIfPresent(gameprofile.getName());
++                GameProfile profile = skinCache.getIfPresent(gameprofile.getName().toLowerCase()); // Paper
+                 if (profile != null && Iterables.getFirst(profile.getProperties().get("textures"), (Object) null) != null) {
+                     callback.apply(profile);
+                 } else {
+-- 
+2.7.4
+