Updated homedecor and plantlife

- New coloured signs

mods/plantlife_modpack/ferns/gianttreefern.lua

@@ -110,11 +110,17 @@ minetest.register_node("ferns:tree_fern_leaves_giant", {
 		not_in_creative_inventory=1
 	},
 	drop = {
-		max_items = 1,
+		max_items = 2,
 		items = {
+			{
+				-- occasionally, drop a second sapling instead of leaves
+				-- (extra saplings can also be obtained by replanting and
+				--  reharvesting leaves)
+				items = {"ferns:sapling_giant_tree_fern"},
+				rarity = 10,
+			},
 			{
 				items = {"ferns:sapling_giant_tree_fern"},
-				rarity = 40,
 			},
 			{
 				items = {"ferns:tree_fern_leaves_giant"},

mods/plantlife_modpack/ferns/treefern.lua

@@ -18,7 +18,11 @@ abstract_ferns.grow_tree_fern = function(pos)
 		return
 	end
 
-	local size = math.random(1, 5)
+	local size = math.random(1, 4) + math.random(1, 4)
+	if (size > 5) then
+		size = 10 - size
+	end
+	size = size + 1
 	local crown = ({ "ferns:tree_fern_leaves", "ferns:tree_fern_leaves_02" })[math.random(1, 2)]
 
 	local i = 1