Update to Minecraft 1.9

By: md_5 <git@md-5.net>

paper-server/src/test/java/org/bukkit/ParticleTest.java

@@ -0,0 +1,19 @@
+package org.bukkit;
+
+import net.minecraft.server.EnumParticle;
+import org.bukkit.craftbukkit.CraftParticle;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ParticleTest {
+
+    @Test
+    public void verifyMapping() {
+        for (Particle bukkit : Particle.values()) {
+            Assert.assertNotNull("Missing Bukkit->NMS particle mapping", CraftParticle.toNMS(bukkit));
+        }
+        for (EnumParticle nms : EnumParticle.values()) {
+            Assert.assertNotNull("Missing NMS->Bukkit particle mapping", CraftParticle.toBukkit(nms));
+        }
+    }
+}