[pipeworks & mesecons] Slow down blinky plants and vacuum tubes

- For #453

mods/mesecons/mesecons_blinkyplant/init.lua

@@ -5,7 +5,7 @@ local toggle_timer = function (pos)
 	if timer:is_started() then
 		timer:stop()
 	else
-		timer:start(mesecon.setting("blinky_plant_interval", 3))
+		timer:start(mesecon.setting("blinky_plant_interval", 7))
 	end
 end
 

mods/pipeworks/vacuum_tubes.lua

@@ -115,7 +115,7 @@ local function vacuum(pos, radius)
 end
 
 minetest.register_abm({nodenames = {"group:vacuum_tube"},
-			interval = 1,
+			interval = 4,
 			chance = 1,
 			label = "Vacuum tubes",
 			action = function(pos, node, active_object_count, active_object_count_wider)