Use herdsman improved looping.

[Nerivec]

Implements changes from Koenkk/zigbee-herdsman#1130

The devices logging loop change in controller is not strictly necessary, but it allows to remove the function in zigbee since it then no longer is used.

Also improved a few bits in network map.

[Nerivec]

Sidenote: @Koenkk Also need to remove the transmit power on startup since it's in herdsman now Koenkk/zigbee-herdsman#1139 (btw, can probably remove it from the Adapter API too and just let each stack handle it)

zigbee2mqtt/lib/zigbee.ts

Line 150 in e132316

if (settings.get().advanced.hasOwnProperty('transmit_power')) {

[Koenkk]

Sidenote: @Koenkk Also need to remove the transmit power on startup since it's in herdsman now

Yes, still on my to-do list

Thanks for the PR!