rename textures to avoid name collisions

init.lua

@@ -5,7 +5,7 @@ local TARGET_ABOVE = false -- place waypoint inside the block or above it
 local POINT_TO_OBJECTS = false -- unimplemented
 local POINT_TO_LIQUIDS = true
 local COMPASS_RANGE = 180
-local WAYPOINT_ICON = "waypoint.png"
+local WAYPOINT_ICON = "waypoint_compass_waypoint.png"
 local WAYPOINT_SCALE = {x=-1/16*9,y=-1}
 
 local waypoint_lib = dofile(minetest.get_modpath("waypoint_compass") .. "/waypoint_lib.lua")
@@ -110,7 +110,7 @@ local function show_hud_waypoint(player, compass_item_meta)
     local waypoint = waypoint_lib.WaypointHUD:new(player, waypoint_pos,
 						  waypoint_name, waypoint_color,
 						  WAYPOINT_ICON, WAYPOINT_SCALE, hexcolor,
-						  size, alignment, "arrow_%03d.png", hexcolor, 9,
+						  size, alignment, "waypoint_compass_arrow_%03d.png", hexcolor, 9,
 						  true)
 
     waypoint:show(player)
@@ -340,7 +340,7 @@ minetest.register_tool(
     "waypoint_compass:compass", {
         description = "Waypoint compass\n(sneak+place to set point)",
         --short_description = "Waypoint compass",
-        inventory_image = "Waypoint_compass_inventory_image.png",
+        inventory_image = "waypoint_compass_inventory_image.png",
         wield_scale = {x = 0.5, y = 0.5, z = 0.5},
         range = 2.0, -- TODO what's the good range?
         on_place = function(itemstack, placer, pointed_thing)