Added attack icons, changed unit cfg files for "weapon namespace uniformity"

data/units/Cave_Spider.cfg

@@ -14,7 +14,7 @@ usage=fighter
 unit_description="Giant spiders are said to roam the depths of Knalga, devouring many victims. They can bite at close range, poisoning their enemies, and attack with a web at long range, slowing their foes down."
 get_hit_sound=groan.wav
 	[attack]
-	name=bite
+	name=fangs
 	type=blade
 	range=short
 	damage=18

data/units/Dwarvish_Fighter.cfg

@@ -15,7 +15,7 @@ usage=fighter
 unit_description="The Dwarvish Fighters are excellent underground and in mountainous terrain. Skilled at close range combat, the sheer power of their battle axe makes them a feared opponent. Their power and endurance makes up for their slow speed."
 get_hit_sound=groan.wav
 	[attack]
-	name=battle axe
+	name=axe
 	type=blade
 	range=short
 	damage=8

data/units/Skeleton_Archer.cfg

@@ -44,7 +44,7 @@ get_hit_sound=groan.wav
 	[/attack]
 
 	[attack]
-	name=fists
+	name=fist
 	type=impact
 	range=short
 	damage=3

data/units/Walking_Corpse.cfg

@@ -15,7 +15,7 @@ usage=fighter
 unit_description="Dark magic is used to animate dead corpses. Although weak in combat, these zombies can spread their curse to those they kill, increasing the army of undead."
 get_hit_sound=groan.wav
 	[attack]
-	name=fists
+	name=fist
 	type=impact
 	range=short
 	damage=3

data/units/Wraith.cfg

@@ -15,7 +15,7 @@ alpha=0.5
 unit_description="The most powerful ghosts in the undead ranks can use their powers to summon a spectral sword that drains the life out of their foes, strengthening themselves. They can also shout a terrible wail that freezes the heart of the weak. Those slain by the wail come back as wraiths to serve their killer."
 get_hit_sound=groan.wav
 	[attack]
-	name=bane
+	name=baneblade
 	type=blade
 	range=short
 	damage=7