[HowTo ]Regain root access on Kerlink

Hi all,

With response to my own tread (http://forum.thethingsnetwork.org/t/kerlink-installation-not-possible-wiki-possibly-out-of-date/2065), I have managed to regain root-access to a Kerlink.

The write-up is here: https://github.com/swiatecki/IoTPublic/blob/master/howto.md

Hopefully this will be usefull for someone out there

The Kerlink is a:

PROD_FW=wirmaV2_wirgrid_v2.2
LORABOARD_TYPE="868-27dBm"
LORABOARD_HWVERSION=05