Add Bellignan, fix evo stones

My first foray into adding Pokemon, here's Bellignan! Imported the sprite animation from Pokemon October. Works like a charm!

I also fixed the new evo stones, which didn't have their effects assigned yet.

data/pokemon/names.asm

@@ -75,6 +75,7 @@ PokemonNames::
 	db "BELLSPROUT"
 	db "WEEPINBELL"
 	db "VICTREEBEL"
+	db "BELLIGNAN@"
 	db "TENTACOOL@"
 	db "TENTACRUEL"
 	db "GEODUDE@@@"