*03-11-2017 (Circadian Rhythm)*
ART: New art for a buncha relics.
BUG FIX: Relic Collection wasn't showing seen relics properly.
BUG FIX: Updated how and where discard pile cards are rendered.
CONTENT: New Green card - Backstab.
DEBUG: Debug hitbox is now rendered green during clickStarted.
PERF: AbstractCard now uses Hitboxes rather than a custom isHovered() check.
UX: Adding click/release logic to ShopScreen.
UX: Cards in CardRewardScreen get click/release logic.
UX: GridCardSelectScreen gets click/release logic on cards.
UX: Removal of shadows under deck/discard button.