Add treetap texture by Migdyn

TEXTURES_TODO.md

@@ -1,6 +1,5 @@
 # List of textures that still have to be done
 - refined iron ingot for MCL
-- treetap
 - sticky resin
 - rubber wood (top|side)
 - rubber wood with rubber (side)

tools.lua

@@ -18,7 +18,7 @@ local S=minetest.get_translator("industrialtest")
 
 local definition={	
 	description=S("Treetap"),
-	inventory_image="industrialtest_tree_tap.png",
+	inventory_image="industrialtest_treetap.png",
 	tool_capabilities={
 		full_punch_interval=1,
 		uses=50