Renamed MobType->CreatureType and MobSpawner->CreatureSpawner.

This is to bring the names in line with the rest of bukkit.

Deprecated code has been left in to ensure nothing breaks as
a result of refactoring MobType.
This will be removed after 1 week, to give plugin devs time to
migrate

By: Andrew Ardill <andrew.ardill@gmail.com>

paper-api/src/main/java/org/bukkit/entity/CreatureType.java

@@ -0,0 +1,42 @@
+package org.bukkit.entity;
+
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.Map;
+
+public enum CreatureType {
+    CHICKEN("Chicken"),
+    COW("Cow"),
+    CREEPER("Creeper"),
+    GHAST("Ghast"),
+    PIG("Pig"),
+    PIG_ZOMBIE("PigZombie"),
+    SHEEP("Sheep"),
+    SKELETON("Skeleton"),
+    SPIDER("Spider"),
+    ZOMBIE("Zombie"),
+    SQUID("Squid");
+
+    private String name;
+
+    private static final Map<String, CreatureType> mapping
+            = new HashMap<String, CreatureType>();
+
+    static {
+        for (CreatureType type : EnumSet.allOf(CreatureType.class)) {
+            mapping.put(type.name, type);
+        }
+    }
+
+    private CreatureType(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public static CreatureType fromName(String name) {
+        return mapping.get(name);
+    }
+}

paper-api/src/main/java/org/bukkit/entity/MobType.java

@@ -3,7 +3,10 @@ package org.bukkit.entity;
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.Map;
-
+/**
+ * @deprecated Should be using CreatureType
+ *
+ */
 public enum MobType {
     CHICKEN("Chicken"),
     COW("Cow"),