scion-web submodule update (#1129)
scion-web submodule update (#1129)

-Updates the submodule to commit d40cb31b0803ab2640375ff13c00bff8e69939ce
FR4NK-W/osourced-scion,FR4NK-W/osourced-scion,Oncilla/scion,klausman/scion,dmpiergiacomo/scion,Oncilla/scion,FR4NK-W/osourced-scion,klausman/scion,Oncilla/scion,netsec-ethz/scion,netsec-ethz/scion,dmpiergiacomo/scion,dmpiergiacomo/scion,FR4NK-W/osourced-scion,FR4NK-W/osourced-scion,dmpiergiacomo/scion,klausman/scion,dmpiergiacomo/scion,netsec-ethz/scion,Oncilla/scion,dmpiergiacomo/scion,klausman/scion,klausman/scion,netsec-ethz/scion