Wipe preparations

Added possibility to remove reset tasks (items and events) for zen and added a new type of storage: All time storage, where you can save any item you own for the next wipe - all be removed instead of items in this storage. Count of slots depends on total resets count on your account (sum of resets of all chars).

Also you'll receive cashback after wipe for wCoins that you have on the balance and for donated (and spent).

We'll describe a new strategy of the server a bit later and will announce the date of the wipe (somewhen in October), but for now we recommend you to spend all your zen to get more resets (for additional slots) or the best item (that you'll save in the all time storage) or more wCoins (for bigger cashback) =)