Move some awesome menu items to the top-level

-- {{{ Better menus

local main_menu = {

	{ "awesome", {

	{ "lock screen", "dm-tool lock" },

	{ "awesome", {

		{ "restart", awesome.restart },

		{ "quit", function() awesome.quit() end },

	}},

	{ "power", {

		{ "off", function() awful.spawn{"poweroff"} end },

		{ "reboot", function() awful.spawn{"reboot"} end }

		}}

	}, beautiful.awesome_icon },

	}},

}

for i, _ in ipairs(mymainmenu.items) do mymainmenu:delete(i) end