* fix names (still use original string for title cards, just not internals and files)
* link manually created icons (holidays, classes, races) to icon db
* use newly linked icons instead of hardcoded values for classes/races
* implement used-by-classes filter on icons listing
* fix internal name of race 5 (undead) which fucked up icons
* version bump to invalidate cache
* recreate date functions from javascript in new class DateTime
* move date and time functions from Util to new class
* fixes various cooldown messages for account recovery
* fix cache id collision when category == dbTypeId for a given dbType
* increment version number to invalidate existing caches
* maps endpoint doesn't need caching. It is entirely static content.
