Add RLP Gateway to log-api
Add RLP Gateway to log-api

The Reverse Log Proxy (RLP) Gateway provides an HTTP API to read logs/metrics from the RLP.

[#160332273]

Signed-off-by: Travis Patterson <37425702f387de11e6995b207f98fc72d1b7793d@pivotal.io>

cloudfoundry/cf-deployment,cloudfoundry/cf-deployment