Add tools/zkcleanslate, to automate wiping of ZK when necessary.
Add tools/zkcleanslate, to automate wiping of ZK when necessary.

dmpiergiacomo/scion,FR4NK-W/osourced-scion,klausman/scion,Oncilla/scion,netsec-ethz/scion,netsec-ethz/scion,Oncilla/scion,dmpiergiacomo/scion,klausman/scion,FR4NK-W/osourced-scion,FR4NK-W/osourced-scion,klausman/scion,FR4NK-W/osourced-scion,dmpiergiacomo/scion,dmpiergiacomo/scion,klausman/scion,Oncilla/scion,netsec-ethz/scion,FR4NK-W/osourced-scion,klausman/scion,Oncilla/scion,netsec-ethz/scion,dmpiergiacomo/scion,dmpiergiacomo/scion