Walking Wake and the Guardian Beast!

- Added preliminary data for Walking Wake and the new Legendary Pokemon Shi-Shi.
- Changed Bellignan's dex entry to reference how Sprout Tower was constructed.
- Changed some dialogue in Sprout Tower to reflect this.

Wake sprite by EyeDonutz
Shi-Shi sprite by me, but still unfinished. Will definitely rework sometime.

data/pokemon/base_stats/walking_wake.asm

@@ -0,0 +1,21 @@
+	db 0 ; species ID placeholder
+
+	db  99,  83,  91, 109, 125,  83
+	;   hp  atk  def  spd  sat  sdf
+
+	db WATER, DRAGON ; type
+	db 3 ; catch rate
+	db 215 ; base exp
+	db NO_ITEM, NO_ITEM ; items
+	db GENDER_UNKNOWN ; gender ratio
+	db 100 ; unknown 1
+	db 80 ; step cycles to hatch
+	db 5 ; unknown 2
+	INCBIN "gfx/pokemon/walking_wake/front.dimensions"
+	dw NULL, NULL ; unused (beta front/back pics)
+	db GROWTH_SLOW ; growth rate
+	dn EGG_NONE, EGG_NONE ; egg groups
+
+	; tm/hm learnset
+	tmhm HEADBUTT, CURSE, ROAR, TOXIC, ROCK_SMASH, PSYCH_UP, HIDDEN_POWER, SUNNY_DAY, SNORE, HYPER_BEAM, PROTECT, RAIN_DANCE, ENDURE, FRUSTRATION, IRON_TAIL, RETURN, DIG, MUD_SLAP, DOUBLE_TEAM, SWAGGER, SLEEP_TALK, SWIFT, DETECT, REST, CUT, SURF, STRENGTH, WHIRLPOOL, WATERFALL, FLAMETHROWER
+	; end