Animations: wire remaining effects + 2-column options panel

- Shared FX toolkit in fx-celebrate.lua: mth_shake tween type, MTH_FX_Flash
  glow helper, MTH_CelebrateRunaway red shaking banner, gold title reset.
- pet.runaway, pet.happiness, pet.loyaltyup, pet.feed
- combat.ammoswap, combat.rangedswap, combat.mmprocs
- ui.zbar, ui.stable, ui.minimapping, ui.optionsclose
- book.model, book.search
- Options > Animations panel now uses a balanced two-column layout.
- CHANGELOG Animations entry expanded (no version bump).

api/core-scan-stablemaster.lua

@@ -2791,6 +2791,9 @@ function MTH_PETS_RecordPetRunaway(source, rawMessage)
 		if MTH:IsMessageEnabled("petRanAway", true) then
 			MTH:Print("YOUR PET " .. tostring(displayName) .. " HAS RUNAWAY FOREVER :-( Try to feed it better next time.")
 		end
+		if type(MTH_CelebrateRunaway) == "function" then
+			MTH_CelebrateRunaway(displayName)
+		end
 	end
 
 	return true