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

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

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

Finished activities:
— The Amun-Ra's Treasure left the launcher.
— The Luckybox Sets left the launcher.
— The Transmutator Packs left the launcher.
— The Special Packs for Royal Guard left the launcher.

Changes:
— Experience rates increased by 50% (Experience boost to Infinity event)