Update nodes for compatibility with digging time groups.

mesecons/init.lua

mesecons_blinkyplant/init.lua

mesecons_button/init.lua

mesecons_detector/init.lua

mesecons_dev/mesecons_walllever/init.lua

mesecons_dev/mesecons_wireless/init.lua

mesecons_hydroturbine/init.lua

mesecons_lamp/init.lua

mesecons_lightstone/init.lua

mesecons_movestones/init.lua

mesecons_pistons/init.lua

mesecons_powerplant/init.lua

mesecons_pressureplates/init.lua

mesecons_random/init.lua

mesecons_solarpanel/init.lua

mesecons_switch/init.lua

mesecons_temperest/init.lua

mesecons_torch/init.lua