Fixed some textural bugs.

CLEAVER:
	3 light-gray pixels on diamond_cleaver_effect.png

FRYPAN:
	2 gray pixels on silk_frypan_effect.png
	2 gray pixels on lapis_frypan_effect.png

LUMBERAXE:
	Stray pixel on bone_lumberaxe_shield.png

MATTOCK:
	alumite_mattock_back.png is shifted downward by 1 pixel
	alumite_mattock_back.png also has 2 EXTRA pixels compared to the others
	steel_mattock_back.png is shifted downward by 1 pixel and also has bronze coloring attached to it

ICONS GUI:
	2 gray pixels in hammer head outline