[maptools & columnia] Fix missing textures

mods/columnia/init.lua

@@ -676,6 +676,17 @@ columnia.register_column_ia("pinewood", "default:pine_wood",
         "Pineewood Column Linkdown",
         default.node_sound_wood_defaults())
 
+columnia.register_column_ia("acacia", "default:acacia_wood",
+			    {snappy=2,choppy=2,oddly_breakable_by_hand=2,flammable=3},
+			    {"default_acacia_wood.png"},
+			    "Acacia Column",
+			    "Acacia Column Top",
+			    "Acacia Column Bottom",
+			    "Acacia Column Crosslink",
+			    "Acacia Column Link",
+			    "Acacia Column Linkdown",
+			    default.node_sound_wood_defaults())
+
 if core.get_modpath( 'moretrees' ) then
 	local morewood = {
 		{ name='beech', description='Beech Tree' },
@@ -686,7 +697,6 @@ if core.get_modpath( 'moretrees' ) then
 		{ name='palm', description='Palm Tree', },
 		{ name='spruce', description='Spruce Tree' },
 		{ name='willow', description='Willow Tree' },
-		{ name='acacia', description='Acacia Tree' },
 		{ name='rubber_tree',	description='Rubber Tree' },
 		{ name='fir', description='Douglas Fir' }
 	}

mods/maptools/nodes.lua

@@ -280,7 +280,7 @@ minetest.register_node("maptools:climb", {
 	description = S("Climb Block"),
 	range = 12,
 	stack_max = 10000,
-	inventory_image = "default_steel_block.png^default_ladder.png",
+	inventory_image = "default_steel_block.png^default_ladder_wood.png",
 	drawtype = "airlike",
 	walkable = false,
 	climbable = true,
@@ -341,9 +341,9 @@ minetest.register_node("maptools:ladder", {
 	range = 12,
 	stack_max = 10000,
 	drawtype = "signlike",
-	tiles = {"default_ladder.png"},
-	inventory_image = "default_ladder.png",
-	wield_image = "default_ladder.png",
+	tiles = {"default_ladder_wood.png"},
+	inventory_image = "default_ladder_wood.png",
+	wield_image = "default_ladder_wood.png",
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	walkable = false,