Major default formspec style update

- Uses formspec_prepend to set e.g. button style
- Make all formspecs use the MCL2 style consistently

mods/ITEMS/REDSTONE/mcl_dispensers/init.lua

@@ -14,7 +14,6 @@ local setup_dispenser = function(pos)
 	-- Set formspec and inventory
 	local form = "size[9,8.75]"..
 	"background[-0.19,-0.25;9.41,9.49;crafting_inventory_9_slots.png]"..
-	mcl_vars.inventory_header..
 	"label[0,4.0;"..minetest.formspec_escape(minetest.colorize("#313131", S("Inventory"))).."]"..
 	"list[current_player;main;0,4.5;9,3;9]"..
 	"list[current_player;main;0,7.74;9,1;]"..

mods/ITEMS/REDSTONE/mcl_droppers/init.lua

@@ -15,7 +15,6 @@ local setup_dropper = function(pos)
 	-- Set formspec and inventory
 	local form = "size[9,8.75]"..
 	"background[-0.19,-0.25;9.41,9.49;crafting_inventory_9_slots.png]"..
-	mcl_vars.inventory_header..
 	"label[0,4.0;"..minetest.formspec_escape(minetest.colorize("#313131", S("Inventory"))).."]"..
 	"list[current_player;main;0,4.5;9,3;9]"..
 	"list[current_player;main;0,7.74;9,1;]"..

mods/ITEMS/REDSTONE/mcl_droppers/init_new.lua

@@ -15,7 +15,6 @@ local setup_dropper = function(pos)
 	-- Set formspec and inventory
 	local form = "size[9,8.75]"..
 	"background[-0.19,-0.25;9.41,9.49;crafting_inventory_9_slots.png]"..
-	mcl_vars.inventory_header..
 	"label[0,4.0;"..minetest.formspec_escape(minetest.colorize("#313131", S("Inventory"))).."]"..
 	"list[current_player;main;0,4.5;9,3;9]"..
 	"list[current_player;main;0,7.74;9,1;]"..

mods/ITEMS/REDSTONE/mesecons_commandblock/init.lua

@@ -170,7 +170,7 @@ local on_rightclick = function(pos, node, player, itemstack, pointed_thing)
 	else
 		textarea = "textarea[0.5,0.5;8.5,4;"..textarea_name..";"..F(S("Commands:"))..";"..F(commands).."]"
 	end
-	local formspec = "invsize[9,5;]" ..
+	local formspec = "size[9,5;]" ..
 	textarea ..
 	submit ..
 	"image_button[8,4.5;1,1;doc_button_icon_lores.png;doc;]" ..