Zombie Strike：last war AFK RPG

1. Add a new initial 5-star hero of Evil Faction - Kerbero 2. Optimize the guild war points ranking rules 3. Modify of setting on monsters in guild war 4. Optimize the problem that too many emails could cause freezing 5. Optimize the issue that sometimes get stuck when preview hero animation in the event page 6. Optimize the problem that the entangled target can still attack and cause freezing 7. Optimize the problem of Taki can cast skill on non-petrified targets 8. Optimize the problem that misranking happens on the players who got the same points in expedition road