Adding req to singin hook
Adding req to singin hook

See PR #3950
danielmahon/keystone,Pop-Code/keystone,ratecity/keystone,andrewlinfoot/keystone,benkroeger/keystone,concoursbyappointment/keystoneRedux,matthewstyers/keystone,benkroeger/keystone,frontyard/keystone,trentmillar/keystone,andrewlinfoot/keystone,danielmahon/keystone,andrewlinfoot/keystone,Pop-Code/keystone,vokal/keystone,ratecity/keystone,naustudio/keystone,naustudio/keystone,vokal/keystone,naustudio/keystone,danielmahon/keystone,vokal/keystone,frontyard/keystone,ONode/keystone,matthewstyers/keystone,ONode/keystone,matthewstyers/keystone,frontyard/keystone,trentmillar/keystone,concoursbyappointment/keystoneRedux,benkroeger/keystone,trentmillar/keystone