Bonus Script clean up
* Removed fixed array size (MAX_PC_BONUS_SCRIPT) of bonus_script on players, changed to link list.
* Changed fixed script string on player's bonus_script to StringBuf, reduce memory usage for each connected player.
* Added new flags to expand duplicated script and flag to allow duplicate script.
* Reduced buf length from 1024 to 512 on bonus_script_data (used for saving/loading bonus_script from char-server). Still, MAX_PC_BONUS_SCRIPT is used to gives limit data can be loaded.
* Merged 'pc_bonus_script_clear_all' to 'pc_bonus_script_clear'
* Now bonus script will be saved on auto-save timer or other save request, prevent losing the bonus when "something" happen. But, saving when player is quitting will removes the bonus that won't be saved on logout.
* Fixed Superstar_Snack (22843) and Sealed_Dracula_Card (22846) fields
NOTE:
Please import 'upgrade_20150131.sql' for `bonus_script` table changes
Signed-off-by: Cydh Ramdh <house.bad@gmail.com>
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