Core/Commands: Playemote is now write to db to make it permanent
Core/Currency: Implement creature_onkill_reward for custom bosses/creatures.
Notes:
* Currency entry 395 and 396 and pvp ones are accepted, amounts: 1000, 1600, 2300, 7500, 10500.
* If this commit broken Championing please report it.
Core/Currency: Implement globally drop of currency based on Map and boss type,
Notes:
* this is temporally while we filled all creature_onkill_currency
* bosses need to have rank = 3 to drop currency
* this is override by creature_onkill_currency