[14.05] Update of the week: Boosted Refinement Rates, Refine Hats Sets, HD refine sets

The maintenance is over, the server is online. Changelog:

Events and Shop:
— The Refine Hats Sets arrived in launcher.
— The HD refine sets arrived in launcher.
— The "Boosted Refinement Rates" event has begun.

Finished activities:
— The Luckybox Sets left the launcher.
— The Devil's Pranks Treasure left the launcher and Kafra shop.
— The Special Packs for Maestro and Wanderer left the launcher.
— The Special Packs for Ranger left the launcher.

Changes:
— The stats for the item "Battle Surcoat" have now been set to the values given in the description.