Moreblocks' update

- Moreblocks' update to use last version's nodes and features

mods/moreblocks/stairsplus/registrations.lua

@@ -1,3 +1,10 @@
+--[[
+More Blocks: registrations
+
+Copyright (c) 2011-2015 Calinou and contributors.
+Licensed under the zlib license. See LICENSE.md for more information.
+--]]
+
 local default_nodes = { -- Default stairs/slabs/panels/microblocks:
 	"stone",
 	"cobble",
@@ -10,12 +17,14 @@ local default_nodes = { -- Default stairs/slabs/panels/microblocks:
 	"bronzeblock",
 	"diamondblock",
 	"desert_stone",
---	"desert_cobble",
+	"desert_cobble",
 	"glass",
 	"tree",
 	"wood",
 	"jungletree",
 	"junglewood",
+	"pinetree",
+	"pinewood",
 	"obsidian",
 	"obsidian_glass",
 	"stonebrick",