Use new standard/zap logger in http server
Use new standard/zap logger in http server

cloudfoundry-incubator/bits-service,cloudfoundry-incubator/bits-service,cloudfoundry-incubator/bits-service,petergtz/bitsgo,cloudfoundry-incubator/bits-service,cloudfoundry-incubator/bits-service,petergtz/bitsgo