Added RegainReason.SATIATED.

This reason is used when a player regains health from generating due to their hunger being satisfied.

src/main/java/net/minecraft/server/FoodMetaData.java

@@ -49,7 +49,8 @@ public class FoodMetaData {
         if (this.foodLevel >= 18 && entityhuman.W()) {
             ++this.foodTickTimer;
             if (this.foodTickTimer >= 80) {
-                entityhuman.c(1);
+                // CraftBukkit - added RegainReason.
+                entityhuman.c(1, org.bukkit.event.entity.EntityRegainHealthEvent.RegainReason.SATIATED);
                 this.foodTickTimer = 0;
             }
         } else if (this.foodLevel <= 0) {