fault injection filter for envoy config (#98)
fault injection filter for envoy config (#98)

* adding fault injection filter to envoy config

* Http to HTTP

* nits

kyessenov/pilot,kyessenov/pilot,vadimeisenbergibm/pilot,vadimeisenbergibm/pilot,kyessenov/pilot,istio/old_pilot_repo,vadimeisenbergibm/pilot,istio/old_pilot_repo,kyessenov/pilot,istio/old_pilot_repo